403Webshell
Server IP : 209.209.40.120  /  Your IP : 216.73.217.112
Web Server : Microsoft-IIS/10.0
System : Windows NT NEWWWW 10.0 build 17763 (Windows Server 2019) i586
User : NEWWWW$ ( 0)
PHP Version : 8.3.30
Disable Function : NONE
MySQL : OFF  |  cURL : ON  |  WGET : OFF  |  Perl : OFF  |  Python : OFF  |  Sudo : OFF  |  Pkexec : OFF
Directory :  C:/Program Files/Microsoft SQL Server/MSSQL15.MSSQLSERVER/MSSQL/Binn/Resources/1033/

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Current File : C:/Program Files/Microsoft SQL Server/MSSQL15.MSSQLSERVER/MSSQL/Binn/Resources/1033/xesqlminpkg.rll
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�����X�j(Z�؋Bص�xrz�Hnp�h���r�*��/}Globally Unique IDEvent schema versionETW ChannelCThe bitmap of NUMA nodes where this query reserved parallel workers(Extended events for Microsoft SQL Server=Used for signaling the diff copy is about to finish and hang.The resource manager ID.Event grouping keywordsAssociated KeywordRX about to send row buffers
File I/O modeHadron DbMgr object type.4The count of total btree logical revert transactions-Columnstore object data migration debug traceTrace flag typeRedone Time
Event pair4Thread log read from remote service including retry.FOccurs when a page having an entry in the RBPEX exclusion map is read.Managed server subcription id.Page Allocator typesNumber of Top N rowsResource owner type%Whether replica is marked for reseed. Database shrink operation stats.Role of this seeding.*Reason page compression attempt has failed"Change Tracking Cleanup Status Idscurrent phase of the sessionException type.Whether the log is read ahead"Name of the database being seeded.7The type of the row event during the online index build!Sort subsystem tracing sub-events=Estimated local memory for building one rowgroup in 8K pages.LSIMD instruction set used for processing column segment in column store scan"Total number of locks encountered.XComma-separated list of numbers of count of bytes sent to each destination distribution.Log scan during crash recovery$Type of operation database operation4Occurs when a log consumer is initialized or closed./Indicates the timeout of the lock request in msCEvent which fires when we're registering a database replica partnerGIndicates the details included in the backup and restore trace progressjThe ID of the locked object, when lock_resource_type is OBJECT. For other lock resource types it will be 0Database recovery phase%The ID of the node in the query plan.FTime in seconds since last successful lease renewal for this file_pathReason why log was flushed2ID of the database which the log blocks belongs toxShows the percentage of elapsed time that all of the threads of this process used the processor to execute instructions.Log Scan LSN2Current number of executions in the update history,Reports the DBID used for Transient Replica.*The state at which we want to synchronize.Type of log block allocation-Degree of Parallelism (DOP) calculation stageHADR FileStream Open Mode>The number of remote page reads that occurred during the scan.5Indicates if RowPage has been markes as stale by WPR.*The ID of the database being checkpointed.The state of the rowgroup.LPage is being evicted from this offset in buffer pool extension paging file.LThe extent ID for the position where the last mixed page allocation occured.,XStore I/O throttling analyze metrics event.Read or write operation8A process is killed by an ABORT = BLOCKERS DDL statement5The ID of the HoBT (heap or B-tree) that was scanned. Version of the telemetry packageLocation of pageSort warning typesShutdown state of a queryBTrace output column values of each row on each query plan operatorMPage or contiguous set of pages evicted into the buffer pool extension cache.+Start timestamp for hadr log capture event.Partner replica Id./The encoding type corresponding to the segment.Database file typesCA MERGE operation completed merging columnstore rowgroups together.0The transaction isolation used by a transaction.DXEvent used to indicate that prepared transaction is being commited.1Page LSN mismatch during Foreign File validation.Transaction stateThe number of errors repaired.�Total CPU time (in milliseconds) for executing the main part of CBpExternalExtractor::FetchNextColumnBatch. Includes BatchExtractor::FillBatchBuffer() method, and hence the underlying file operations as well.Transaction type3The XML representation of the optimized query plan.9The stage in the build operation that generated the event"Index Rebuild Invalidate SecondaryThe fault id reported The cause of the lock escalationThe error's referring file ID.PThe number of batches that will be killed without opportunistic failover waiting)The version corresponding to the segment.1Elapsed Execution Time Monitor Registration CountQNumber of pages for which read ahead was issued but we still are waiting (inrow).:Indicates if the latch is poisoned and should be destroyed9Shows the time, in seconds, of the average disk transfer.Hash warning types$The type of statement being executed0Mapping deployment stages for Hekaton v2 engine.)Occurs on every BFC row update or insert.1The ID of the index for which a scan has started.OSize of data from build side of the join that has been left in memory in bytes.Query plan typeThe ID of the transaction.&Transaction isolation level statistics,RBPEX dynamic file shrink operation failure.Send/receive pair@Shows the rate at which exceptions are dispatched by the system.'The degree of parallelism of this query�Occurs during updating secondary's recovery forks stack. After updating the stack but before saving the recovery LSN in the metadata.!The ID of the Availability Group..The reason why tuple mover skipped the rowset.0The slot ID where the corruption error was found,Id of the database hosting the foreign file.&The type of block blobs write failure.?HADR Windows Server Failover Clustering change notifier status.^Amount of memory the server is currently using for the purposes other than the database pages.9The rate that the CPU enters the C3 low-power idle state.Error during AddFileRedoGranted memory in KBgHADR mutex acquisition state, for tracing important points during acquisition/release of mutex objects.eThe handle that can be used to obtain the TSQL text from the dm_exec_sql_text dynamic management viewoHADR AR critical section entry state, for tracing important points during entering/exiting of critical section.;Event which fires when we're processing an incoming message!Aailability replica start status.�Queued writes of dirty pages to allow truncation of simple-recovery database. This event is only applicable to databases where indirect checkpoint is enabled.hShows the number of requests outstanding on the disk at the time that the performance data is collected.zThe total number of locks that were converted. These locks are deallocated because they are covered by the escalated lock.#The ID of the Availability Replica.)Number of pages read ahead from worktableAlter Database Set option type>Specifies if we hit the max outstanding IO limit of the volume
Thread Id.6We failed a state in the tiered storage state machine.Database state3Foreign file validator finished validating a batch. The HRESULT error code returned.*Result of the OIB with LOB cleanup process'Id of the database containing the file.\Generic binary enum can be used to indicate that an event is either of send or receive type.0Log scan generation from secondary apply object.)State of delete buffer before transition.*Indicates full or partial session context.�Occurs when the sort operation on an executing query does not fit into memory. This event is not generated for sort operations caused by index creation, only for sort operations in a query. (For example, an Order By in a Select statement.) Use this event to identify queries that perform slowly because of the sort operation, particularly when the warning_type = 2, indicating multiple passes over the data were required to sortThe mode of the latch requestAlways On DDL operation0The ID of the Availability Replica being seeded.@Number of pages being read from the buffer pool extension cache.cRaised when a long running transaction is force terminated by the system to avoid log getting full.0Number of memory grant updates in update historyAlways On DDL operation phase`Xlog reader thread execution blocked waiting on other calls to complete or other backoff expire.DThe CPU time (in microseconds) that was used by the merge operation.Number of column bindings.0Identifies a hekaton API to inject a fault into.%Query hash of locally executed query.8Identifies a failure point for HkCs migration algorithm.Source of message.TIndicates whether sorting a query required a single or multiple passes over the dataQuery tree is compiled&The old hk trim LSN from the bootpage.6Specifies the action that will be taken after waiting.)Common harden block for sync secondaries.Redo LSNType of the DDL operation/Fired by the VDW frontend when discovering DQP.The DBCC command options used.[Shows the percentage of time that the selected disk drive is busy servicing write requests.$The priority state of a lock request	Start LSNDatabase DDL agent request typeName of the file.The time (in seconds) taken to shrink the log.&The aborted version cleaner send time.TDEScan type,The ID of the database we are checkpointing.Global deepdata file id'Maximum observed degree of parallelism.What mode are we operating in?ZCount of inrow versioning that was skipped due to lack of support for forwarded heap rows.MTotal number of partitions used as a unit of spilling in-memory data to disk.1id of the container, which stored the block blob.LThe identifier of the state transition for resumable index build antimatter.'The ID of the stale page within a file.Gid of the container in the container list, which stored the block blob.*The creation disposition for DBCreateFileWFOccurs when a text pointer is being read by the replication logreader.Used memory in KB0The identifier of the state of a ADR allocation.$Time in uS for sending this message.The types of allocators. ID of the log block being cached@The number of times pages were visited to reclaim version space. The ID of the seeding operation.CThe database ID of the index or table for which a scan has started.Error state@Identifier of the method used for resolving prepared transactionZEmitted if redo sees an inconsistency due to ConcurrentPFSUpdates while redoing PFS pages.
Lock resourceAddFileRedo Operation CompletedsID of the last log block in the buffer being uncached; 0 for a private cache buffer containing incomplete log blockMetadata cache entry hitLock owner typeIs Ghost RecordGTime in uS taken to insert compressed log block into compression cache.4An error has been reported by a DBCC CHECK* command.The timeout duration in ms.&HADR Availability Group state in Wsfc.'Occurs when a disk log read is ignored.:The max bsn of file upto which the file will be backed up.2Low part of xdes id for oldest active transaction.	Page type#Version store page was deallocated.Discovered DQP endpoint..On readable secondaries, wait for Redo outcomeTransaction outcome.Setting range for RPC rowset.5Key accessor's total buffer size for column bindings.1Uniquely identifies the location for a test delayLock return code2Page is read from the buffer pool extension cache.(Parallel scan worker finished processing!total number of actual input rowsGXEvent used to indicate that prepared transaction is being rolled back.'I' increment, 'D' decrementAddFileRedo Operation Started	Lock modeHThe ID of the rowset of the delete buffer that has been open after swap.2The page id on which a row was logically reverted.
Latch modeDatabases log shrink;The name of the object being referenced by the transaction.:The stage in the build operation that generated the event.Latch classFDatabase recovery at the beginning of user transaction rollback stage.ANumber of bits used to store single value in column store segmentLog block buffer size category.2Occurs at completion of log recovery of XTP table.Collect NT username6Occurs when database reports the progress of recovery.kOccurs when the extent activation cache has reached its max size and we have to go into overflow mechanism.Page Read Error%The ID of the rowgroup that is added.FastLoadContext StateThe checkpoint's LSN.Total throttle time in msecs.Log operation type�Occurs during an online index build process when something happens with a row during index population. This event is used for test purposes only. Queue restart hadron datadabase.cShows the total time, in seconds, that the computer has been operational since it was last started.9Use this event to help trace HADR configuration messages.Description of the error.WIndicates that page allocations for the database are disallowed due to memory pressure.�The ID for the index on the object that was affected by the event. To determine the index ID for an object, use the index_id column of the sys.indexes system view.'Whether DB log generation is throttled.Reason why log was writtenDOccurs when a sql transaction is committed with single phase commit.�The description of the lock resource. The description depends on the type of lock. This is the same value as the resource_description column in the sys.dm_tran_locks view.&Track mixed page allocation operations2The error number value of the file open operation.Count of hits in range 4.Lock result%Query processor logical operator type*Occurs at the end of hash processing if there is insufficient memory to process the build input of a hash join. Use this event together with any of the query_pre_execution_showplan or query_post_execution_showplan events to determine which operation in the generated plan is causing the hash spill..HoBt Schema Manager HoBt attributes operationsTotal number of locks skipped.Query memory return grantKOccurs when primary has captured a log block which starts new virtual file.Lease worker stages&Query processor physical operator type8The port returned to the client in the routing response./Flag to indicate if it is a secondary instance.The previous state name.-Byte size of log block being sent in message.Query iterator tree node typeUThe ID of the lock partition, when lock_resource_type is OBJECT, and resource_1 is 0. RX about to allocate row buffers+Number of intervals with no errors occured.1The number of inline LOB entries for the segment.
Page class6Read or write a spill file 0 means read, 1 means writeENumber of bytes moved per second during this data movement operation./Detail reason why the read only routing failed.6Count of messages in map that are ready to be applied.Query execution warning types[Foreign file validator is starting from a blank write bitmap since one was not found in SF.The number of errors reported.Bitmap runtime trace levelGOccurs when a DB lock is acquired from the XactWorkspace DB lock cache.Required memory size in KBodatetime, commit time of last any commit lsn processed, available after the end of phase 2, then kept unchangedPage error types5Columnstore tiered storage scanner finishes database.<Pointer to a target pointer that will be set to this target.6The object ID of the object where the error was found.1ID of the database which the log block belongs toPage Cache Modify Type>NUMA node of page being read from buffer pool extension cache.Page Cache Modify CallerTypes of columnstore load_Indicates the id that the coordinator uses to identify the worker that this messages relates toMA harden request as part of a commit or prepare failed due to remote failure.-Number of cache insertion attempts that miss.0Indicates the number of log buffers outstanding.rQueued writes of old dirty pages. This event is only applicable to databases where indirect checkpoint is enabled.HADR Session StateThe timestamp.Degree of parallelism.�The workspace memory (in kilobytes) that the process was granted to perform operations that involve hashing, sorts or create index operations. The memory is acquired during execution, as needed.HADR Harden Status*The state of the log minimization feature.Index in rebuild,The ID of the rowgroup that is used instead.>Database count for created DB-scoped global temporary objects.CTrue indicates its pre recovery, false indicates its post recovery.8LSN and transaction information during database recoveryFCB IO typesCommit seq num,Number of Stretch remote tables in the query(Checkpoint LSN where the scanner starts.}Shows the percentage of time that the processor spent receiving and servicing hardware interrupts during the sample interval.	XIO typesColumn name3The version timestamp of the rowgroup that is used. XIO Windows Azure Storage errors�Queued writes of dirty pages to advance the oldest page LSN to the last checkpoint. This event is only applicable to databases where indirect checkpoint is enabled.1Fires after IO flush for log records is complete.HEnd of API that deletes a SQL Server instance to cluster node map entry.4The ID of the table associated with the transaction./Low order element of the ID of the transaction.�When set to 1, collect_resource_description enables collection of resource_description. By default the resource_description column is not generated.6Azure Shared Key Authentication header creation statesResult code.XIO WinHttp Call Types4Identifies whether the spool supports large objects.Prepare seq numoTrue if the delta store was closed because alter index reorganize was called with compress_all_row_groups = on.7Number of rows handled by FPGA pushed down aggregation.WNumber of evictions due to cache flush or memory pressure during the reporting interval7Identifies the node id of the secondary spool operator.Number of workfiles reused1Reason for retrying or not retrying a XIO requestThe prefetch buffer size.DBReplicaStatusChange message.%XIO Windows Azure Storage blob statusFMin message sequence number that is still useful in the message bufferETransaction Commit harden still waiting for Hadron Commit management._Page was skipped because it belongs to a transaction that aborted but has not been yet cleaned.GProfile FPGA pushdown aggregation's performance through FPGA profiling.&XIO Windows Azure Storage lease statesHMatrix Backup/Restore Leading Meta Data read of Primary File Group Flags0Occurs when bitmap is built in batch processing.9The rate that the CPU enters the C1 low-power idle state.sWhen set to 1, collect_reserved3 enables collection of reserved3. By default the reserved3 column is not generated.?ID of the log consumer the log block is private to, 0 if sharedContext for log operationsLog shipping notifications�Forced all dirty pages through the target LSN to be written. This event is only applicable to databases where indirect checkpoint is enabled.Count of hits in range 6.4The database ID of the table that is being worked on/PCIe memory copy time (us) from host to device.Commit table recovery states&The count of heap deforwarding happens,Remote CS Garbage Collection Failure XEvents)The id of the iterator in execution plan.Object typerFor given input what decision is made, which can be ThrottlingUndetermined, ThrottlingNotNeeded, ThrottlingNeeded.#The log mode we have for the rowsetDThe id of the source distribution that performed this data movement.#Time this status change is recordedJOccurs when asynchronous segment allocation of covering RBPEX has started.�Occurs when a phase of DBCC CHECK is finished. Use this event to collect the number of messages a DBCC CHECK thread has sent or received.(FPGA cycles when kernel finish its work.Current phase of DBCC CHECK*NUse this event to trace dropped HADR transport messages throughout the system. The ID of the Availability GroupHThe rowset ID of the closed delete buffer that is about to be truncated.6A filter eliminated a columnstore segment during scan.CNumber of times new dataset session was created for PVS allocation.9Total number of queries waiting in the memory grant queuePage Split Operation StateThe database IDThe type of columnstore objectSleep duration in milliseconds.The garbage collection level&Verbose trace for PVS page allocation.Log block id being redone last.3High part of xdes id for oldest active transaction.rShows the percentage of elapsed time that the threads of the process have spent executing code in privileged mode.Send/Recv/Drop4The ID of the partition associated with the segment.0The error number of message corruption detected.Reason for restarting the scan.=Occurs along with a log consumer's reading a log block ahead.(Reason for dropping a particular message/About to truncate the file as a part of shrink.Message Type5Sequential order of waiting queries in the same queue"Is this for resumable index build?HADR Configuration State Reason for change replica statusThe type of the allocator.DThe unique ID associated this this particular message logging event.EThe sequence number of the log block to be accepted by the secondary.Flow Control Action:Occurs whenever CDbAndSetOpts is accessed from within QVM.Databases shrink data movement*The id of the distribution the URL is for.0Flag to denote if simulation mode is being used.HADR DBR scan State3Buffer manager page life expectancy in milliseconds5Traces Create Replica message sent to a remote brick.KBinary hash value for identifying query execution plan with a similar logicHardened LSN[Windows Server Failover Clustering resource state. Used as HADR Availability replica state.4Specifies whether the operation is minimally logged.:Test point for failure injection in Hadr Auto Page Repair.9Page was skipped because there are snapshots outstanding.<Windows Server Failover Clustering node state. Used by HADR.+Physical Seeding Restore Side State Change.Full SQL Server instance name.UCS stream ID of the message.�Checkpoint evaluation chose to enqueue a checkpoint as the recovery time is near or above the target. This event is only applicable to databases where indirect checkpoint is enabled.�Checkpoint evaluation chose to enqueue log truncation. This event is only applicable to databases where indirect checkpoint is enabled.HThe amount of time (in microseconds) which took to compile the statementLAn XML document describing the results of a deadlock; filter sensitive info.$Always On Availability Replica Role.=Foreign File validator persisted write bitmap in SF property.CVerbose trace for cache de-allocation for persistent version store.Preparing SetRange RPC command.*Physical Seeding Backup Side State Change.Degree of parallelism The size of the log block queue.-Always On Availability Replica Manager state.XCount of inrow versioning that was skipped due to lack of support for non HobtDataPages.HADR DBManager State,Maximum log size in bytes for this database.GOccurs when a DB lock is released from the XactWorkspace DB lock cache.HADR DBManager Object Type`Number of non-inlined LOBs that span multiple buffers moved during this data movement operation.;Count of rollback transactions that performed ADR rollback.HADR DBManager roles.Emitted if redo sees an inconsistent page LSN.5The index ID of the object where the error was found./Columnstore tuple mover swapped delete buffers.=Database count for created DB-scoped local temporary objects.HADR DBManager Shutdown type2Total number of sort runs performed by the thread.HADR DBManager Function TraceScan type for heap.The dictionary type.OTracks commit table when recovering the checkpoint timestamp from the boot pageHADR DBManager Enabled%Log blocks cache misses in each phaseSThe ID of the local Availability Replica which is sending or receiving the message.HADR DBManager suspend statuspWhen set to 0, collect_statement disables collection of statement. By default the statement column is generated.?Used by tests to inject failures into HkCs migration algorithm.Telemetry event for recovery write statistics. This event is only applicable to databases where indirect checkpoint is enabled.fPage was skipped because it belongs to a transaction that is newer than the oldest active transaction.'The xcuster configuration message type.HADR DBManager suspend source$HADR backup on secondary test pointsHADR partner sync state change.HADR DBManager Undo PhasepoolsWithPressure.#Stats for optimized insert into PVS<The request ID which is unique in the context of the session?The ID of the object that requested the lock that was canceled.HADR reseed reason,Making previous write request ACI(D) durable"Parallel scan subrange informationhList of RowGroupIds that are being merged. Shows only the first 100 rowgroups as comma separated string.HADR task types Logical Db Id for the target db.HADR task states,Page is marked as having persisted versions.Type of the task.HADR Commit PolicyIndicates if column is nullable+Lease with resource DLL valid flag - 0 or 1HADR Sync State Preparing DeleteRow RPC command.?The ADR sweep has snapshotted the list of aborted transactions.&The total number of stale pages found. HADR file metadata request typesProposed DbMgr state.Current restore target AGEHADR FileStream Transfer TypegShows the overall rate at which deferred procedure calls (DPCs) are added to the processor's DPC queue.HADR dbmgr test pointsNumber of rows in row file+Index of thread executing column store scanSE Replication LSNSource ID of the message.HADR undomgr test points Source of suspend resume action.eOccurs when we're crafting a message to send containing a new hardened LSN on a secondary. Test only.-Time when we will try to do next compression.HADR lease worker stages"HADRON worker pool thread actions.@XStore I/O throttling handler has been successfully initialized.]The original (uncompressed) total size of all off-row compressed LOB entries for the segment.HoBt Schema Mgr operationcFailed to create the Authorization header for shared key authentication to Microsoft Azure Storage.1Is batch population pushed to the storage engine?RFabric DBR Subscriber is about to send build replica message to secondary replica.Id of the page within the file.#Number of pages read from worktableHoBt Schema Mgr DDL operationYXEvent used to indicate that database is removed from deferred list for Always Encrypted.;Number of read time smaples recorded in reporting interval.2Number of CPU cycles spent in row bucket processorHoBt Schema Mgr Allocation unitThe client application name.&Info XEvent for analysing trace flags.Managed server resource group.4The ID of the database that contains the stale page.$HoBt Schema Mgr HoBt allocation page+Auto page repair repaired a corrupted page.2HoBt Schema Mgr Columnstore logical operation typeEThe ID of the transport session which the message is associated with.'Runtime remote query instance is cached;The high part of the xdesId the row being moved belongs to.keepL2Pages.,The id of the object that is being worked on&HoBt Schema Mgr HoBt compression level The start scan database file id..FPGA cycles when device send response to host.HoBt Schema Mgr HoBt LOB status�The read-only routing operation failed. This is sent when the primary replica has a READ_ONLY_ROUTING_LIST configured and none of the replicas in the list are available for read-only routing._HADR availability replica critical section entry state (point of interest for tracing/testing).ZShows the maximum size, in bytes, in the working set of this process at any point in time.%Time in uS to process this log block.9Reporting an xstore volume detail for debugging purposes.Is snapshot isolation!HADR auto page repair test pointsThe size of the file.3Average throughput now after throttling checkpoint.Resource notification2Signals the begining of drop replica db operation..Attempting to lookup a metadata object by name$Set value for the immediate retries.Log consumer activityID of the container added.Count of hits in range 12.YA MERGE operation started merging columnstore rowgroups and accquired all required locks.&Previous value of root file watermark.0Ideal additional memory grant after update in KB%Phase of the Create-Replica protocol.Restart hadron database.IThe percentage of time during the sample interval that the disk was idle.Database Reference Type._The count of transactions that were explicitly marked as not supporting Constant Time Recovery.OThe file modification type in a ALTER DB ... MODIFY FILE database DDL statementYThe size in KB of secondary dictionary string store pages used for the columnstore build.FThe ID of the database for the object that the plan is associated withOnumber of errors encountered during this session, accumulated across all phases�Total elapsed time (in milliseconds) for executing the main part of CBpExternalExtractor::FetchNextColumnBatch. Includes BatchExtractor::FillBatchBuffer() method, and hence the underlying file operations as well.File group type'ID of the starting log block being read/HADRON thread pool worker thread start actions.6Indicates log block decompression processing duration.�The type of database the stale page was detected in. We can know its SLO or in the case of a Socrates database, whether compute or a page server detected it.!Current Transfer Rate in Bytes/s.HThis event will be fired from the Distribution Agent on a status change.7File group property used in ALTER DB...MODIFY FILEGROUPVPages bypassing eviction because eviction is occuring in the context of an allocation.0ID of the starting log block in the cache buffer4Is Persisted Version Store enabled in this database.2The client API name that initiated the connection.%The type of ghost cleanup task packet3Various states in Physical Seeding Backup Component Last LSN redone during recovery.<Event which fires when a HADR transport replica is timed outRowgroup Id4Various states in Physical Seeding Restore Component+Last persisted value for a Sequence object.9Columnstore tuple mover started flushing a delete buffer.6Various states in Physical Seeding Forwarder Component$Memory used by batch mode work files#Tracks the occurence of stale pages$Size of the log block being consumed"Emit latency map for bsn distance.=Various states in Physical Seeding Forwarder Target Component9The transaction ID of the transaction that has committed.The debug message.:Progress trace messages for key steps in backup or restorefThe handle that can be used to obtain the TSQL text from the dm_exec_sql_text dynamic management view.7Elapsed time to look up model in cache in microseconds.Reasons for log throttling!Reasons for log truncation holdup1Fired just before tuple mover task goes to sleep.The number of CPUs that were used to complete the process. A value of 0 indicates a serial plan that is running in serial, 1 indicates a parallel plan that is running in serial, and 2 or larger indicates a parallel plan that is running on the specified number of CPUs.)Mapping checkpoint file types for XTP V2.�The node ID of the Window Spool operator using an on-disk work table. This corresponds to the Node ID in Showplan execution plan output.
SQL data type4Occurs when HADR FileStream transport closes a file.Current Send Queue Size.*Column encoding type in column store index=Indicates that page allocations for the database are allowed.&Column data type in column store index Address of the CHadrRecvMsgData.+Bad memory detected by the operating systemThe name of the process6Maximum memory limit for this batch plan segment in KBMColumn filter type for filter on encoded data used in column store index scanThe SBS file URL.MColumn filter type for filter on decoded data used in column store index scan1Number of row buckets with pure values for column[Columnstore tuple mover truncate operation timed out due to an active snapshot transaction.5Fired when query with more than one step is executed.Current end of log.VThe value of compression_delay in minutes. It should be >=-1, where -1 signifies AUTO.%Availability group listener DNS name.1Set of CPU instructions used in column store scantype of log send transition<Occurs just before deleting all the extended recovery forks.<Statistics about columnstore object manager SerializeToDisk.9The log block ID where it the safe timestamp can be used.The name of physical db.3The session ID of the query which uses memory grantVThe transaction ID of the transaction that inserted the entry into the segments table.Size of the file."type of log send transition reason-LSN of the log record it is about to process."Whether interest in new log is set"Number of pages to store deep data5Windows Server Failover Clustering notification type.restart scan reasonEThe number of pages written during the compression of the deltastore.Minor number of exception.=Indicates if column is columnstore rowgroup generation columnUCS Transport Stream Status<The accessor ID being used in the scan (Identifies the scan)Total time waited on network.@Xlog reader thread log read from remote service including retry.RX releases row buffers+Indicates log block start push to log pool.]Occurs along with a log block in a shared cache buffer being moved within the replacement setAllocation Unit Type-The number of updates on top of aborted rows.CDC Error Information,Number of rows from particular distribution..Failed to read columnstore object from XStore.0How a query left the wait queue for memory grant%Whether the map key is newly created.<Occurs when a backup restore operation recorded the startLSNThe ID of the database.�The selected destination read-only routing replica host name (derived from the READ_ONLY_ROUTING_URL of the destination replica)%Why check bulk operation pages failed�Shows the combined rate of file system write requests to all devices on the computer, including requests to write to data in the file system cache. The type of rowset we're opening(Indicates if this is a kill lock request(Current global hash table size in bytes.7Was this a push by runtime? I.e. Freshly generated log.+Places in code where Xlog ClientId is used.Distributor Major Version0Columnstore tuple mover truncated delete buffer.0State of SnapshotPair in Foreign File Validator.7Indicates the type of DDL action: create, alter or drop6Occurs when fastloadcontext is activated / deactivated&Type of filter on compressed data used;number of consecutive empty scans, beginning from this scan0Foreign File Validation Page Audit failure kind.4The page id for which persisted version bit was set.MAllow customizable failures in double flush optimization with minimal loggingGlobal or session traceflag.�Fired before hekaton columnstore's post checkpoint load starts scanning compressed columnstore and rebuilding tail heap and secondary indexes."Page server async read stats types0Remote DMV stream release resources call is made4The tablegroupname to which the partition belongs to7Foreign file validator thread encountered an exception.bbinary(10), last any commit LSN processed, available after the end of phase 2, then kept unchanged$Page server bsn distance stats typesPage server client role typeThread log apply time.$Logical file name in header message.Result of the wait - 0 or 1LThe length of the list of RowGroupIds being merged. It can be more than 100.0An XML graph that describes the blocked process.Amount to reserveMode of executin of FPGA code.:Pages bypassing eviction because they are simulated pages.RValue of 0th additional CPU cycles counter used internally in row bucket processor�Occurs when a model is retrieved from the PREDICT function model cache. Use this event along with other predict_model_cache_* events to troubleshoot issues caused by the PREDICT function model cache.
Buffer statusShipped LSNGWhen waiting for move up redo completes, and a new Vlf can be accepted.Memory Steal from optionsBIndicates that the source has been tagged and destination created.MTrue if it occurs when waiting starts, otherwise it occurs when waiting ends."OLE DB range options for SetRange.2Total physically used part of granted memory in KB%One database segment begins starting.0Foreign file validator obtained a snapshot pair.Error state.-Finalized a request to Windows Azure Storage.File read completedKShows the percentage of non-idle processor time that is spent in user mode.Duration in milliseconds.3Max dop the query could be running based on memory.File Control Bytes/sec shows the overall rate at which bytes are transferred for all file system operations that are neither read nor write operations, including file system control requests and requests for information about device characteristics or status.Device proxy ID.2PCIe memory copy size (bytes) from device to host.@Occurs after every delete buffer action (swap, flush, truncate).Change Tracking CleanupdWhen set to 1, collect_path enables collection of path. By default the path column is not generated.YXEvent that indicates a change in the deffered transction map for Constant Time Recovery.Number of rows scanned}The binary representaion of the data that was read from the file. This data is used for troubleshooting by Microsoft support.CAn expression bitmap filter was applied on a rowgroup column batch.6Read columnstore object from aligned Sbs Cache failed.*The memory address where the latch residesmWhen set to 1, collect_io_data enables collection of io_data. By default the io_data column is not generated.Runtime query is setupNumber of bytes read1Identifier of the file within the file job queue.*Failpoint on a log record during creation.9Whether a transaction was marked as deferred or unmarked.File write completed3Time when this query began waiting for memory grantCommit Policy.Kill current users (immediate).0Time in uS to copy the log block into the cache.GThe rowset ID of the delete buffer on which the truncate was attempted.Number of bytes written1High part of xdes id for participant transaction.eThe size of the preallocated pages in database long term version store heap for persisted versioning.2Max message sequence number that has been bufferedBuffer manager database pages9Pages bypassing eviction because they are stolen or free.4Foreign file validator began validating a new batch.Seeding cancel message.4Occurs when hash table is built in batch processing.Buffer manager target pages(Occurs when a table or index scan stops.Buffer node database pagesPEnd of API that creates/updates a SQL Server instance to cluster node map entry.0Buffer node page life expectancy in millisecondsEnd of log LSNBAmount of memory the server is currently using for database cache.&Elapsed time to process in ticks = ms.CThe id of the database for which dirty data could not be persisted.The ID of the rowgroup.MA concurrent DML during Resumable Index Build should mark the record as ghost3Amount of memory the server is currently not using.)True, if this has a mapping index update.=Tuple mover aggressive compression found a rowgroup to merge.Metadata cache entry updatedContext of each phase�Amount of memory the server has reserved for future usage. This value shows current unused amount of the initial grant shown in Granted Workspace Memory (KB).&Ideal amount of memory for the server.The end nest Id0Total amount of memory the server has committed.(Checkpoint of the foreign file has endedInserting row in RPC rowset.&Final fill rate for global hash table.AAggregated statistics about log production, emitted periodically.EAmount of memory the server is using on this node for database pages.<Number of threads to rebuild tail heap and secondary indexes?ColumnStore object was successfully read from Azure Block Blobs/number of seconds between StartTime and EndTimeUXEvent used for testing purposes to generate the proper synchronization for RbIo dbs.6 Amount of memory the server is not using on this node0A detour for a rowgroup version was rolled back.Checkpoint has begunThe processor name.KCount of rollback transactions that are deemed as short by internal policy.(Index of the segment in the source file.,Non NUMA-local amount of memory on this node]Splitters that did not split because another concurrent transaction has already did the splitCPU time in microseconds]Amount of memory the server is using on this node for the purposes other than database pages.SFired before matrix restore redo begins when target restore AGE is being determinedSOS_Result of the page request.$Ideal amount of memory for this node1NUMA node on which new threshold were calculated.average kernel loadTraceflag command on/off.IA database recovery unit metadata is inserted in masterDB on local brick.=Total amount of memory the server has committed on this node.5Device Id of failed device which query is running on."Catalog metadata cache entry addedTotal Num Cmds#Number of pages processed in total.,Secondary rowset for the online index build.$Catalog metadata cache entry removed1Available memory in KB for this memory grant pool*Estimated completion time of this seeding.#Catalog metadata cache entry pinned7Shows the rate of alignment faults fixed by the system.-Identifies the node id of the spool operator.)Number of distribution URLs in the array. The routing primary's replica ID+The column ID corresponding to the segment.%Estimated dop for building rowgroups.[number of log records scanned through, available in phase 2, after which it keeps unchangedMessage Id from Header log.New size for the foreign file.%Catalog metadata cache entry unpinned.The query hash of distributed query on SQL FE.Catalog metadata cache hit�The number of rows that were inserted in the previous batch. This field is only populated when build_stage field value is equal to 6 (Inserted row count).3The name of the SQL server deadlock is detected on.#Databases backup/restore throughput?Total elapsed time (in milliseconds) spent in WaitIoCompletion.>The number of rows used to estimate the memory grant estimate.Log manager truncation LSN.Number of failed read requests..Fired when transient IO operations are retriedPThe beginning offset into the query text of the statement that is being removed.
New State.:Prints backup/restore progress trace messages with detailsQType of operation - Indicates whether the database is being backed up or restoredkFabric DBR Subscriber on primary is about to process build replica message response from secondary replica.3Event which fires when we're acquiring new messages@The database ID of the object for which an index is being built.Exception message.Backup/Restore trace level0Force data page copy in database backup to hang.-The count of rows with version space removed.*The ID of the remote Availability Replica.Logical name of the database3Name of the database that contains the suspect page5Occurs when batch mode hash join reaches a syncpoint.bThe total number of times sql batch started has occurred for given partition since the last event.>Occurs when log consolidation cleans up single defunct tenant.&Secondary compute requested end of logMetadata agent catalog updated?Fired at locations where it's useful for test to inject a delay'Total amount of log need to be scanned.(Track mixed extent allocation operationsHOccurs when column store scan does switch partition in batch processing.!Attempt count of the IO operation2Physical Seeding Schedule Long Task Failure Event.wThe threshold on the transaction's reserved log size over which we'll compress rowgroups regardless of their row count.Is this for rollback or not?0The count of rows inserted in a DDL transaction.<Created and opened SBS Handle in hobt creation for DW Pesto.3Occurs when HADR FileStream transport opens a file.cBufWithoutPage.Type of IO operation?Occurs when range elimination map is built in batch processing.�Stage of sort, when spill happens, 1 means retrieve data from lower iterator, 4 means parallel external merge, 8 means return final sorted dataFile read enqueued%Query memory grant timeout in seconds+If the breakpoint is hit for the first time?Occurs when secondary is going to append a log block to logmgr.NUsed for nested loop join, occurs after producer receive correlated parametersBUsed for seeding, force data page copy in database backup to hang. LSN of the failed page IO entry.$Physical location in the Rbpex file.lShows the average number of read requests that were queued for the selected disk during the sample interval.:If the breakpoint is hit for the first time during seedingdOccurs each time when hash join reverses build and probe side while processing data spilled to disk.9Used for testing change of delay log pin for full backup./Indicates if backup is still at copy diff stageQThe name of the logical database for the object that the plan is associated with.Begin LSN of each phaseKThe percentage of time the processor spends in the C2 low-power idle state.Database attachedsql memory usage (mb)#The SBS file URL for the SBS table.AUsed for testing change of delay log pin for full backup seeding.committed memory in kb'Number of rows processed by this threadForeign file validator error.Query plan operator name;last CDC tracked commit LSN processed, available in phase 7&Indicates if seeding has been repinnedaThe total number of times rpc call started has occurred for given partition since the last event.#Indicates if diff copy has finished3Query hash, which represents the shape of the query,The app name for the partition. Value is dbo3Number of rows pushed to QE for global aggregation./Databases bulk insert rows (due to BULK INSERT)AColumnstore tiered storage scanner ends a rowgroup consolidation.1Sector count of last log block sent to secondary.MDatabase bootpage is sync'ed with the DB Registration information in metadata-The page id on which the evaluation was done.;Databases bulk insert throughput in KB (due to BULK INSERT)In Row Sweep Pages Swept.bulk operation pages failed.Redo queue size>The number of allocated buffers during a native shuffle query.Databases DBCC logical scanCurrent LSN of the page.Recovery queue at secondary.#File id of the first page to purge.EThe sequence number of the last log sequence number that was written.fStatistics about the movement of a deltastore to a compressed rowgroup, including duration, size, etc.8The page id for which persisted version bit was cleared.yIdentifies the node ID of the operation that caused the hash warning. This corresponds to the Node ID in Showplan output.Databases log cache hit�Occurs when Resource Governor detects that a query has exceeded the CPU threshold that is specified for REQUEST_MAX_CPU_TIME_SEC. The detection interval is five seconds. The event is guaranteed to detect the queries that exceed the threshold by at least five seconds. If a query exceeds the threshold by less than five seconds, the detection might be missed, depending on the timing of the query and the time of the last detection sweep.BIdentifies whether the spool requests only one row from its child.&Fired when tuple mover skips a rowset.Estimated input cardinalityDatabases log cache readDatabases log file size changedAThe state representing the place at which we want to synchronize..Occurs during analysis pass of crash recovery.(The ID of the file the stale page is in.>A metadata operation occurred on a columnstore column segment.$Databases log file used size changed;Columnstore tuple mover completed flushing a delete buffer.?Occurs when a batch mode scan is performed on a rowstore table.Databases log truncation	Thread ID(Databases log flush wait in milliseconds-Remote CS Garbage Collection Task End XEventsQThe time taken in microseconds for callback to RndAccessFile::Read() to complete.)Bytes in virtual log file header message.�The number of times the statement has been recompiled. This is only available when compiled_object_type is Query from Stored Procedure or Batch,Update the hardened LSN for a HADR database.Databases log flush'Processing PrepareToDelete RPC command.WThe database is opened at one brick successfully and a shared lock is held by the user.Databases log growthAThe ID of the HoBT (heap or B-tree) for which a scan has started.'The number of all rows for the segment.Storage file path.�Occurs when any of the data or log files for a database changes size. Use this event to monitor changes to the size of database files.sThe count of instances the off-row row version was reused as the row was updated multiple times in the transaction.6New PageRow Lsn. If the IO succeeds, the new PAGE LSN.RFired if non-zero GlobalHkMemCap is detected while publishing resource_pool_stats..The error code for the DBReadAsync IO request..The type of the object that acquired the lock.Auto shrink log ended.`Number of pages evicted to the buffer pool extension cache on last pass through the buffer pool.Database ID.Redo Target LSN>Log record generation stall for outstanding writes to completeThe ID of the file.The ID of the Page in the file.Initial file size in MB.Final file size in MB.1Maximum data id stored in column segment metadata0Identifies whether the spool is a segment spool.Global row file idFailure state description.8This event is fired at the end of the transaction commitThe SLO of the database4Page was skipped because a secondary still needs it./Number of buffers allocated from execution pmo.Physical database name.Local Physical Seeding GUID.Xuser data is dropped, and logical metadata are truncated in one matrix database segment.DIs the state of the flag being changed or  are we reading from disk.$Auto shrink log caught an exception.Count of all transactions
Error number.5Identifies whether the spool is an index-cache spool.AThe allocation unit type of the object where the error was found.jTotal number of partitions already spilled to disk at the moment of starting the new hard partition spill.Severity level.?Total number of parallel workers currently in use by this query!Current size of the foreign file.Locks lock waits(HoBt Schema Manager HoBt page operationsZIndicates that the shared key authentication header creation library has been initialized.
User settableLatch acquired#Participant harden start timestamp.)Number of ticks from start of checkpoint.1Cluster node to SQL Server instance map key name.)Total normal memory avaiable in 8K pages.wPage id is obtained during calls to latch acquire which may be at a time when page id is either stale or uninitialized.!Status of the harden calculation.aThe amount of time (in microseconds) between when the lock was requested and when it was canceled8The configured max log generation rate in bytes per sec.SShows the average number of bytes transferred from the disk during read operations.Latch released
Ghost cleanup Name of the file being restored.Runtime dop for the query.The error number.Ghost cleanup task startSeeding request message.EOccurs when HADR FileStream transport detects inplace update to undo.Redo thread is leaving4Indicates log block compression processing duration.NIndicates that a flow control action has occured for a particular dbr/replica.$Number of page packets in the queue.End time of this seeding.KThe rowset ID of the closed delete buffer on which the flush was attempted.[Occurs when a task tries to access the flow-controlled section during insert into a B-tree.Ghost cleanup task suspend*Matrix Database aggregate state is changedLatch suspend begin!Number of page packets processed.1Foreign file validator has validated one IO unit.Coordinator database ID.The type of file.-Weight of the cache buffer before being moved7Log send transition between log writer and log capture.2Max target memory in KB for this memory grant poolA task packet is enqueued'The ID of the rowgroup that is skipped.Database id.Requested memory size in KBLOccurs whenever some context that fits in Int64 is accessed from within QVM.PFile id of the page to do ghost cleanup for, or page to start ghost cleanup for.ETotal CPU time (in milliseconds) spent on synchronous Read operation.]Number of pages evicted completely from the buffer pool on last pass through the buffer pool.RThe maximum number of bytes that can be asked to be read ahead, per scan operator.Test Point value 2.PPage id of the page to do ghost cleanup for, or page to start ghost cleanup for.Deleting rows from RPC rowset.$Type of Ghost Cleanup we need to do.8The type of the row event during the online index build.@Log size throttling threshold after which primary get throttled.2Remote CS Garbage Collection Informational XEventsTThis xevent is fired when compute cannot access XLOG in XLogCommunicationEntryPoint.3Metadata consistency validation information for PFS'A task packet is dequeued and processed;The number of requests to keep the latched object in memoryAverage Commands>Purge the pages that contain ghost records found in a database3The count of total blob logical revert transactions#Page id of the first page to purge.Total Skipped Cmds$Unique ID for the current sort querylOutputs the replnextlsn value from the database table that the first replcmds scan uses as a starting point."File id of the last page to purge.3The ID of the database which is being checkpointed."Page id of the last page to purge.-The name of the object that is being modified%Index of column in column store indexFIDO log trace.KGives information about the state of the bucket table in writepagerecorder.8TrackPagesPriorToCrashRecovery started for the database.
Lock acquiredSession ID of blocking queryThe name of the object.JMetadata add the segmentid column into secondary indexes of matrixdb heaps�Occurs when a lock is acquired on an object. Use this event to troubleshoot data contention issues that are caused by locks that are being held for long periods of time.&Redo thru log block set at apply side.Shows the size of the working set, in bytes, that is used for this process only and not shared nor sharable by other processes.aOccurs when the replication logreader encounters a partial rollback for a particular transaction.The next ID stored on diskZDatabase DDL or operation agent finishes the local operation requested from a remote brick8Occurs when a subscan is ended within the check scanner.OOccurs when the database agent on the connect brick starts to drop a filegroup.?The ID of the locked object, when lock_resource_type is OBJECT./Identifies whether the spool is an eager spool.(Start ticks of the most recent LDM cycle?The ID of the object that requested the lock that was acquired.Location of the hobt traversal.XThe threshold of send queue size above which the database will be considered for reseed.UIndicates a failure during RBPEX invalidation and the write to RBPEX must be skipped.Final global hash table size.IIndicates if decoded column value may need to be represented as deep dataXThe time (in microseconds) between when the lock was requested and when it was canceled.The name of the index.When set to 1, collect_database_name enables collection of database_name. By default the database_name column is not generated.Occurs when 'prepareCallback' has been called for a data migration transaction, and the transaction has successfully committed.�Occurs when a lock on an object has been released. Use this troubleshoot data contention issues that are caused by locks being held for long periods of time?The HRESULT returned by the RBPEX segment allocating operation.,Occurs when a lock is released on an object.0High order element of the ID of the transaction.6The time spent waiting for an optimal time to failoverBRoot File name that will be used for recovery for this checkpoint.kThe ID of the locked object, when lock_resource_type is OBJECT. For other lock resource types it will be 0.]Occurs when a log consumer attempts to lookup a block from the log pool but fails to find it.Database size in bytes.8Change log scan status for a hadron controlled database.?The ID of the object that requested the lock that was released.LShows the rate at which read and write operations are performed on the disk.(The number of entries in the dictionary.�A description of the lock resource. The description of the lock resource depends on the type of lock. This is the same value as the resource_description column in the sys.dm_tran_locks view.`Occurs when a dictionary has been created and an entry has been added to the dictionaries table.Request index id.DeadlockROccurs when an attempt to acquire a lock is canceled for the victim of a deadlock.-whether this is the new value after an updateYOccurs when a segment has been created and an entry has been added to the segments table.5Archive metadata field offset within the archive fileTracks SYS.SYSCOMMITTAB flusheThe replication command that was used. This is only relevant for the LOP_REPL_COMMAND log operation . Builtin Execution Time Breakdown-The ID of the object that requested the lock.bThe time (in microseconds) between when the lock was requested and when the deadlock was resolved.<The percentage of the current processor's maximum frequency.xThe count of instances the row version was pushed off-row as the row was updated multiple times in the same transaction.FA request is opened to Windows Azure Storage. Contains sensitive data.&Trace memory usage during index build.AOccurs when the redo thread blocks when trying to acquire a lock.Hadron Availability Replica Id.1The number of pages corresponding to the segment.aThe time (in microseconds) when the lock was requested and when it was granted. Will always be 0.Allocation ring buffer recorded&index of the chunk in the chunck list.>Stats about lock skip optimization for completed transactions.BThe source distribution id of the shuffle original of this buffer.8Total number of locks logged for completed transactions.,The name of the target object, if it appliesGOffline checkpoint is working in passive state (can't write to the log)sThe name of the savepoint that triggered the event. This is only populated when the transaction_state is savepoint.Lock Skip Efficiency.*Time when we will try to do next flushing.CCumulutive time spent waiting for page in the cleaner path (inrow).$Max Achievable Lock Skip Efficiency.=Indicates if the allocator is used for recovering a database.Column store row group index.(Max memory allowd for SQL instance in MB/Total number of references for the cache entry.HThe current memory in KB used during the columnstore build for a thread.'Number of references for ref_type only.GAmount of log scanned in Undo of Redo and Total log need to be scanned..Elapsed time to do prediction in microseconds.7Total number of timeout errors since the server startup?The allocation unit ID of the object where the error was found.
Backup LSN3The error number value of the file close operation.
Page split!The cause of the lock escalation.oLevel of recursion in processing spilled data from disk at the moment of starting the new hard partition spill.Split OperationProcessing SetData RPC command.Event used for LIKE tests only#Number of successful read requests.*Number of rows processed by this iterator.)Indicates the database hitting the limit.Physical page read0The ID of the database file of the page request.3The count of total heap logical revert transactions%The mode in which the file is opened.Physical page write`Shows the maximum size, in bytes, of virtual address space the process has used at any one time.$Is Source Rowset Resumable With LOBs8The ID of the object for which the index is being built.%The rowsetid for table being scanned.3The length of the list of RowGroupIds being merged.rOccurs when a the executing task must suspend while waiting for a latch to become available in the requested mode.@Finalized a request to Windows Azure Storage. Contains PII data.The latch type;Total active memory grants in KB for this memory grant poolIdeal memory in 8K pages.!The page id that was deallocated.KThe percentage of time the processor spends in the C1 low-power idle state.*The name of the command that was executed.(The number of shared owners on the latch*The number of updating owners on the latch%An Index Reorganize operation failed.Start time of this seeding.<Counter indicating how long server is disconnected from xlog'Whether memory is from plan cache storeAOccurs when a request for a lock times out because of a blocking lock that is being held by a different resource. This event is identical to lock_timeout, but excludes cases in which the time-out value is 0, such as when lock probes are used. Time-outs with a duration of 0 do not necessarily indicate a blocking problem.+The number of exclusive owners on the latchRShows the average number of bytes transferred to the disk during write operations.State of the worker task.-Last log block required to secure undo pages.9The PDW query id for telemetry. QID followed by a number.4The number of requests to destroy the latched object.ThreadCache node was successfully checked out.File write enqueued6Is a columnstore bulk insert waiting for memory grant?,Indicates if there are waiters for the latch'Indicates if the latch is a super latchLog send rate from primary.[Occurs once the local temporary object row is successfully persisted to the stable storage.3Summarizes the execution of a DBCC CHECK* command..aThe amount of time the requesting task will wait for the latch to become available before failingTThe database id of the page the latch protects, 0 if the latch is a not a page latchThe open mode for the file.PThe file id of the page the latch protects, 0 if the latch is a not a page latchPThe page id of the page the latch protects, 0 if the latch is a not a page latchMessage send or receive.Action taken on the thread.7The ID of the partition associated with the dictionary.Remote DMV stream cache hitIReported when a XIO blob has incorrect tier set. Contains sensitive data.9The total count of deferred transactions in the database.Latch suspend endOccurs when a T-SQL statement or stored procedure waits more than one second for a memory grant or when the initial attempt to get memory fails. Use this event in combination with events that identify waits to troubleshoot contention issues that impact performanceDOccurs when the executing task is resumed after waiting for a latch.TThread execution blocked waiting on other calls to complete or other backoff expire.@Indicates if the latch wait resulted in acquisition of the latch3The database ID for which the XEvent is raised for.*Number of batches processed by this thread2Target for outstanding data pages has been changedRecovery step.yThe count of instances the row version was note versioned in-row after calculating a diff because the diff was too large.LThe amount of time (in microseconds) that the requestor waited for the latch_Shows the percentage of the total usable space on the selected logical disk drive that is free.<Foreign file validator began validating a new snapshot pair.5Indicates whether the log block is compressed or not.6Indicates whether memory usage increased or decreased.YOccurs when there is a timeout waiting for a latch possibly causing performance problems.FThis is the size shrink wants to shrink the file to at various stages.XTask address owning the latch when it is acquired in update, exclusive, or destroy modes/Session id of the connection running the query.IIndicates if the task will continue to wait for latch to become availablegShows the unallocated space, in megabytes, on the disk drive. One megabyte is equal to 1,048,576 bytes.'Success or failure of the message send.Latch promotion1Occurs when a latch is promoted to a super latch.Latch demotion:Occurs when a super latch is demoted to an ordinary latch.!Trim reason for current rowgroup.8The host name of the user who is executing the statement,The object id of the fragment being dropped.KThe amount of time (in microseconds) that the transaction has been running.2Occurs when a new hardened LSN from the secondary.6Sort adjusting the memory grant of an in-progress sortFlushFileBuffers called*File HANDLE used to issue FlushFileBuffers@Used to validate the native shuffle sbs write buffer operations.&Id of log block being sent in message.Number of cache hits.Metadata cache vlr posted9The number of invocations of FetchNextColumnBatch method.*Outcome of the FlushFileBuffers invocationHThe file offset aligned by buffer size is missing in prefetched buffers.RPage id of the first page of block being evicted from buffer pool extension cache.+Whether a replica is currently being seededKAllow FlushFileBuffers instead of FILE_FLAG_WRITE_THROUGH behavior for file:Rowgroup read-ahead issued during a scan on a columnstore.9The generated next ID which is going to be stored on diskeName of the file that will attempt to avoid FILE_FLAG_WRITE_THROUGH and use FlushFileBuffers directly Query reserve buffer pool memoryDuration in microseconds.VThe memory in KB that is ideal for this build for the whole index build (all threads).zClose SBS Handle during hobt drop, hobt eviction or CSBlobBPool shrink because there are no more references on the handle.!JSON string for telemetry packageRX allocates row buffers	File read%Fired when tuple mover task wakes up.NThe rowset ID of the closed delete buffer on which the truncate was attempted.Number of bytes to be read&The mode of the lock that is requestedRX sends an activation messageThrottle start timestamp.Reason enum for status change.]Read ahead that is issued against the disk, discarding segments/dictionaries that are cached.3The number of pages version space was reclaimed on.-Emitted just after a merge has been prepared.File read throttledshrinkSpecificDbs.<This request could not be issued to satisfy MIN IOPS settingHow a query left wait queueSFile manager created information for a physical file group information in metadata.FThe ID of the Availability Group with which the message is associated.The base ID for the segment.0Low part of xdes id for participant transaction.File writtenNumber of bytes to be writtenLSN on the returned page.File write throttledTotal Idle Time)The ID of the rowgroup that is routed to.Checkpoint has ended!The ID of the Extent in the file.{Shows the average number of both read and write requests that were queued for the selected disk during the sample interval.
% CPU rateMin XTS2The dirty page LSN associated with the checkpoint..The column ID corresponding to the dictionary.6Ghost Rec count on index page after index build insert*Table global string dictionary belongs to.Shrink related telemetry\The transaction ID of the transaction that inserted the entry into the row group info table.EThe analysis LSN as determined during the analysis phase of recovery."Row number counted starting from 1BAllow customizable failures in the HardenAndLogCheckpoint functionMaximum potential target in KB&Number of remote read-ahead pages read0File writes issued to sparse file for replica DBCheckpoint Rate in IOPS.=The calcuated sender side buffer settings for native shuffle.{Evaluate if a database needs a checkpoint. This event is only applicable to databases where indirect checkpoint is enabled.9The source distribution id of this distribution database.>Used to validate the native shuffle sbs close file operations..Degree of Parallelism (DOP) calculation begins�The target for outstanding dirty pages has been changed. This event is only applicable to databases where indirect checkpoint is enabled.yOutstanding dirty pages are over target. This event is only applicable to databases where indirect checkpoint is enabled.Run Status Code�Checkpoint evaluation chose to skip a checkpoint as the recovery time is within the target. This event is only applicable to databases where indirect checkpoint is enabled.<The inrow versioning was skipped as the page was compressed.#Time the data movement query ended..Indicates if the write to RBPEX can be issued.�Forced the oldest dirty page to be written to advance the oldest page LSN to the last checkpoint. This event is only applicable to databases where indirect checkpoint is enabled.FOccurs when row bucket processor finishes column store row group scan.'Parallel scan read ahead position fixup�Forced the dirty pages that have ambiguous LSN to be written. This event is only applicable to databases where indirect checkpoint is enabled.KXEvent used to indicate that cross-db master transaction is being prepared.4The ID of the object on which the lock was acquired.5Use this event to help trace HADR preconfig messages.JChose to enqueue an indirect checkpoint as we are near our recovery target:Total number of rows processed by the thread in one batch.dThe count of instances the in-row ghost version was pushed off-row as a ghost row was inserted over.�Telemetry event for indirect checkpoint statistics. This event is only applicable to databases where indirect checkpoint is enabled.Uthe new database segment id is updated at the boot block and clone tables for matrix.Closing RPC rowset. Information about partition sort=Test point for failure injection in Hadr Backup On Secondary.(current max size of the extent Id cache.
minCutOff.�Queued a background write task as outstanding dirty pages are over the threshold. This event is only applicable to databases where indirect checkpoint is enabled.�Background writer queued writes of dirty pages. This event is only applicable to databases where indirect checkpoint is enabled.�The node ID of the root of the hash operator that is involved in the repartition. This corresponds to the Node ID in Showplan execution plan output.Used memory in KB.|Helper writer queued writes of dirty pages. This event is only applicable to databases where indirect checkpoint is enabled.The new row size (post update).cTrue if low memory was detected, false if low memory not detected but poor rowgroup quality occurs.vWhen set to 1, collect_call_stack enables collection of call_stack. By default the call_stack column is not generated.MNumber of input rows will all group by columns marked as pure in input batch.5Indicates the fact that fetching a VLF header failed.7Foreign file validator switched to a new snapshot pair.Database started&Number of rows that passed all filters>Number of loop join operators involving a Stretch remote table1A page that should have been constant has changedThe compressed log block size."Fetching next row from RPC rowset.Database detachedDOccurs when batch hash join uses separate hash column in hash table.(The page id the ADR cleanup is scanning.6ID of the database where page allocations are allowed.The phase of recovery.1Sort adding merge runs to the merge run directory.Pages bypassing eviction because they are hot.The name of logical db.3Shows the number of threads in the processor queue.!The percentage of work completed.	cutOffL2.+Package telemetry data for query processing5Total elpased time in seconds since recovery started._The number of locks on the HoBT (heap or B-tree) at the time that the lock escalation occurred.Column store row group index#Device kernel invocation time (us).9Estimated remaining time in seconds to complete recovery.&Metadata create local temporary object=Number of active time smaples recorded in reporting interval.|When set to 0, collect_database_name disables collection of database_name. By default the database_name column is generated.rThe local node transaction ID. This is used to differentiate between either transaction ID or resource manager ID.#Verbose trace of database recovery. Whether it's during index build./Count of repeatable read isolation transactionsRTracks state transitions in the anti-matter state machine of resumable index buildTrace message.Total grant memory in 8K pages.Database recovery times:A metadata operation occurred on a columnstore dictionary.JApproximate compression ratio achieved for the LOB entries for the segmentfHADR Windows Server Failover Clustering change notifier encountered a severe error and will terminate.Recovery step time in ms.WThe type of data movement writer. Corresponds to type column of sys.dm_pdw_dms_workers.
Failure Code._True if the read-only routing list (READ_ONLY_ROUTING_LIST) set on the current primary is emptyXThe total size of unique inline LOB entries for the segment in the secondary dictionary.'Route events to asynchronous listeners._Indicates the amount of CPU time (in microseconds) consumed during compilation of the statement Log bytes consumed in each phase6The ID of the database that contains the suspect page.!Log blocks consumed in each phaseNNumber of rows not pushed to scan (only) because dynamic pushdown was disabledBOccurs when the Availability Replica is starting or shutting down.Last time seen by redo.Current host backup point.:TrackPagesPriorToCrashRecovery completed for the database."The name of the Availability Group'Log blocks blocking reads in each phase,Weight of the cache buffer after being movedCTotal number of hard partitions spilled to disk during aggregation."Interval duration in milliseconds. Estimated number of allocations.Transaction ID;Prefetch issued for a whole extent instead of a single pageEnd LSN of each phase)The name of the server the database is in[The count of instances where in rows were pushed off-row as they were updated by same xdes.JA list of filters for columnstore index was pushed down to storage engine.hadron database id"Page was not eligible for cleanup.Database stopped%number of bytes in the current chunk.)Scan type performed for the table (heap).1The offset of the data to be written to the file.TOccurs when checkpointing has been dynamically throttled with a new Checkpoint rate.ONumber of Xlog reader thread stall time samples recorded in reporting interval.@XEvent used to indicate that transaction outcome is being added..Writes per second after throttling checkpoint.sWhen set to 1, collect_reserved2 enables collection of reserved2. By default the reserved2 column is not generated.1Indicates if the system is low of virtual memory.fReports the update code path being used. True if update on unique index key column is being performed.2High part of xdes id for oldest abort transaction.
Thread id.sOccurs when a dictionary has been removed and the corresponding entry has been removed from the dictionaries table.RThe size of the in database long term version store heap for persisted versioning.Checkpoint Rate in MB.3The page in the database file that had the bad pageXNumber of seconds elapsed between the first memory pressure notification and this event.The error numberPThe id of the column that used the max_memory_used_kb during bloom filter build.!Did the activity succeed or fail. Id to identify kernel functions.DThe node transaction ID that higher level components can understand.'Database ID of the db doing checkpoint.Trace flag changed.Indicates the log bytes pending to be written.+Time taken to prepare the transaction (ms).%Tracks SYS.SYSCOMMITTAB Table CleanupCount of hits in range 7.#The absolute path of the directory.3Occurs when sync secondary sends a progress messageITracks commit table when persisting the checkpoint timestamp to boot page+Number of column bindings for key accessor.'Deadlock monitor performance statistics!Number of rebinds for this threadDThis event will be fired from the Snapshot Agent on a status change.)No CQSCAN cache due to memory limitation.)Occurs when update statement is executed.1The total number of log records in the log block.,RBPEX dynamic file growth operation failure.5Duration of the most recent LDM cycle in milliseconds�Returns a set of counters associated with the Process performance object. The event occurs once every 15 seconds for both the SQL Server and SQL Agent processes.jOccurs when a SQL Server transaction is coordinated through Microsoft Distributed Transaction Coordinator.Page id requested by undo.8The error number value of the set end of file operation.*Average LDM cycle duration in milliseconds6XEvent used to indicate that resolve task is starting.GShows the statistics of columnstore index build parallelism throttling.OOccurs when an in-doubt transaction is resolved during matrix restore recovery.%Common redo LSN from all secondaries.fOccurs when the indicator on whether any LogConsumer is interested in new log to be generated changes.&Max LDM cycle duration in milliseconds7The database name of the object having it's index built.Deadlock monitor memory utilization statistics-The SBS file URL for the target distribution.&logscan end time, available at phase 8!Deadlock Monitor state transitiontHADR availability replica mutex acquisition state for synchronization of ar manager startup and shutdown operations.]Occurs when VLDB fetches the remote file header and bootpage and stamps it to the local file.>Change suspend/resume status for a hadron controlled database.CDeadlock monitor PMO status at various checkpoints in the LDM cycleCurrent host start of the log.Message about command.4Occurs when an automatic seeding operation succeeds.MOccurs when memory spilled through work files exceed the threshold of 100 GB.9Deadlock monitor local wait-for graph dump in binary form#The type of lock that was acquired.BResponse header is obtained from request to Windows Azure Storage.:The source distribution id of the shuffle origin database.-An attempt to compress a database page failedBPE pending io.9Columnstore tuple mover started compressing a deltastore.(Max memory for this resource pool in KB. HADRON worker pool task actions.BWrite columnstore object to unaligned SBS Cache DB was successful.+Track mixed extent deallocation operations.Numa Node ID7Entry and exit tracking for page compression operationsDGuid of single external computation request sent from SQL FE to DQP.(Send InternalServer action request to MSeDelete buffer can not be flushed due to existence of one or more closed rowgroups with generation ID.mReports first row recorded by native shuffle. This is a indicator for query execution time excluding shuffle.QOccurs when migration columnstore object data to Azure block blob storage starts.1Shows whether a global string dictionary is used.Long IO detectedThe old PageRow state.)Transaction Commit manager policy update.QThe number of inline LOB entries for the segment found in the primary dictionary.Count of hits in range 14.8A metadata operation occurred on a columnstore rowgroup.,The time in milliseconds since the IO start.?Occurs when a database file is added into the database segment.Accessor pointer.*XStore I/O reset throttling metrics event.Modification of the page cache.5The count of transactions commited for this database.IOccurs when batch processing filters one batch using expression services.9Concurrent PFS Update feature is enabled on the database.Attempt to renew blob lease:Track the activity of SGAM scans for mixed page allocation5Attempt to renew blob lease. Contains sensitive data.)The ID of the rowgroup that has a detour._This xevent is fired while tranversing on-disk data structures. Used only for testing purposes.+The pvs off-row version cleaner start time.ONumber of inline LOBs (<=8000 bytes) moved during this data movement operation.Number of rows estimated8ID of the database which this log block is consumed from6Failed to complete a request to Windows Azure Storage.NA user invoked a REORG command but based on the policy, no rowgroup qualified.+Wait time before task should get scheduled.�Occurs when the failover validates the readiness of replica as a primary. For instance, the failover validation will return false when not all databases are synchronized or not joinedXMaximum size of memory allocated for aggregation hash table and related data structures."Retry reason for this I/O request.Query is starting upPreparing WakeUp RPC command.IIndicates if optional correctness checks are performed for decoded valuesOFailed to complete a request to Windows Azure Storage. Contains sensitive data.Total partition count.XIndicates that the shared key authentication header creation library has been finalized.�Occurs when a request for a lock times out because another transaction holds a blocking lock on the required resource. The time-out duration is determined by the @@LOCK_TIMEOUT system function. Use this event to help troubleshoot blocking issues.:ID of the database where page allocations were disallowed.$Whether RPC is using a local rowset.-A request is opened to Windows Azure Storage.)File name of the archive being processed #Online Alter Column stage reportingAA column store row group skips delete buffer check during a scan.MThe ending offset into the query text of the statement that is being removed.The deployment stage.JSystem transaction abort invalidated the snapshot of aborted transactions.6Failed immidiately while executing a winhttp function.%Unique identifier for this wait event'True if the IO is read, False if write.OFailed immidiately while executing a winhttp function. Contains sensitive data.Processed log block-The ID of the file of the PVS page allocated.Ignored a winhttp callback.LIdentifies the node_id of the operation that caused the exchange spill eventEWindows Azure Storage blob property is obtained from response header.'Number of entries in primary dictionary"The logging mode of the allocation2Read complete from Windows Azure Storage response.'Metadata create global temporary object2Request send to Windows Azure Storage is complete.WReporting an xstore update of  volume  for debugging purposes. Contains sensitive data.%Telemetry tracing event has occurred.>Occurs when asynchronous seeding of covering RBPEX has failed.The curent state name.Suspend Resume flag.aThe name of the index that is being built. This field is only populated when not building a heap.<Binary hash value for identifying query with a similar logicBCreating an XStore file has been attempted with the options below.3The throttled log generation rate in bytes per sec.2Indicates if the system is low of physical memory.Storage account name.[Creating an XStore file has been attempted with the options below. Contains sensitive data.The primary dictionary id.@The ID of the database where the transaction is being committed.%Actual number of uniquely hashed rowsOCreating and write to an XStore file has been attempted with the options below.6The ideal memory in KB if the query were run at DOP=1.
Redo blockid.%XStore I/O throttling handler status.hCreating and write to an XStore file has been attempted with the options below. Contains sensitive data.HQuery Driver received the activation message but not fully populated yetLog block was freed-Logblock sequence ack sent back by secondary.Closing an xstore file..Count of read committed isolation transactions*Number of participants in the transaction.0Closing an xstore file. Contains sensitive data.!The error code for the exception.�number of DDL operations detected, for changes to RE schema, SE schema and article schema, available in phase 6, after which it keeps unchangedNumber of files returned@The ID of the hobt of the delete buffer that has been truncated.Transaction abort traceRReporting an xstore volume detail for debugging purposes. Contains sensitive data.AG IDBOccurs when the file manager starts validating a file declaration.'The resource manager ID of destination.4Identifies whether the spool is a multiparent spool.-Minimum filestream LSN skipped by log backup.>Reporting an xstore update of  volume  for debugging purposes.Resolution method.0Reported when a XIO blob has incorrect tier set.VThis xevent is fired when a database finishes redoing a file header change log record.CDC Logscan session Information'The xcuster configuration message size.*The number of rows in the detour rowgroup.4Request error code received from management service.aOccurs when log consolidation begins one move-log-to-data task, but before any sectors are moved.@Occurs when column store scan get one batch in batch processing.=This event will be fired from the subscriber on a sync error.,The properties of the lease acquire request..Occurs just prior to the update of the EOL LSNrIndicates snapshot creation of a blob just before setting the file size to 0 in Sterling. Contains sensitive data.EThe properties of the lease acquire request. Contains sensitive data.2Occurs when a record is added to the SQL Server transaction log. This is a very high volume event that will affect the performance of the server. Therefore, you should use appropriate filtering to reduce the number of events, and only use this event for targeted troubleshooting during a short time period./Columnstore tiered storage tde scan debug trace0The properties of the pfs lease acquire request.Circuit ID of the message.'Logical revert completed for btree row.Version cleanup statsHttp Call info for PFS.fTotal time in uS from the point this log block was received by HADR and ack was sent back on the wire.3The ID of the transaction compressing the rowgroup.MFailed to open the SBS Files Table access needed for the Pesto Scan hot path.2The error logging information of pfs marker files.HThe maximum memory in KB used during the columnstore build for a thread.JUsed to validate the native shuffle distribution URLs passed into a query.DIndicates the number of I/O requests processed by the IO retry task.JThe ID of the rowset of the delete buffer that has been closed after swap.CComma-separated list of hash column ordinals for shuffle movements.1Acked message sequence number from receiving side!XStore blobs lease renewal stats.XStore I/O request statistics.dShows the percentage of the Total Registry Quota Allowed that is currently being used by the system.#Column value converted to text formDExclusive upper bound in microseconds tracked by the current bucket.7Occurs when a RBPEX write IO for Lru Refresh completes.,RBPEX dynamic file growth operation success.Query using RLSAIndicates whether the message is being sent, received or dropped.xTrue if the selected destination read-only replica is the local primary replica (routing read-only workloads to primary)Total hits in bucket.The sbs file handleCount of hits in range 0.True if the row is fakeCount of hits in range 1.PSize of data from probe side of the join that has been spilled to disk in bytes.-The database id for the object being cleaned.=Occurs when automatic log management configurations are read.XOccurs when each batch processing operator get a new batch of data from child operators.Count of hits in range 2.&Virtual file status in header message.Query memory pre-grantCount of hits in range 3.BDNS Name used in the availability group listener creation attempt.Count of hits in range 5.Memory grant usage target in KBCount of hits in range 8.Granted memory in KB.Count of hits in range 9.%[Transaction ID] column from fn_dblogCount of hits in range 10.0File read prefetch was scheduled asynchronously.Reasons for shrink failure'Previous value of hekaton recovery LSN.8Emit count of bad page lsn encountered during page read.;how many extent activation are currently in overflow state.Count of hits in range 11.kThe number of batches that will be killed after opportunistic failover has tried to wait for them to finish'Wait time in seconds since request_timeCount of hits in range 13.MIdentifies whether all of input rows could be aggregated in local hash table.qCount of inrow versioning that was skipped due to insufficient space on the page for the ghost versioning record.&The database id that had the bad page.'Degree of Parallelism (DOP) calculation7Query execution time, expressed in 30-second incrementsCount of hits in range 15.*Name of the database that had the bad pageYIndicates snapshot creation of a blob just before setting the file size to 0 in Sterling.9Number of rows moved during this data movement operation.COccurs at every 5 minute intervals for each query with memory grantTransaction version stats1Timestamp in uS to start processing this message./Number of deleted rows in the source rowgroups.+Occurs when primary sends progress message.9Number of bytes read (for the successful read operations)-Used to identify the source of the exception.unique number for each caller.?Number of bytes that failed to be read (the operations failed).CEvent fired to indicate that an object is being checked in a batch.Row pointer.&Logical revert completed for heap row.JTrue indicates its serial recovery, false indicates its parallel recovery.=Number of bytes written (for the successful write operations)GFired by XTP offline checkpoint before it process each host log record.peak kernel loadXHADR Windows Server Failover Clustering change notifier received a cluster notification.Error number (if applicable)BNumber of bytes that failed to be written (the operations failed).=NUMA node triggering eviction to buffer pool extension cache.�The worker thread ID (nonzero if parallel plan). This field is only populated when build_stage field value is equal to 6 (Inserted row count)."Min active XTS in version manager.$Number of successful write requests.1The ID of the table for which a scan has started.�Occurs after a SQL statement is executed. This event contains an XML representation of the actual query plan and uses lightweight profiling infrastructure.'Number of stretched tables in the query1ADR Cleanup Sweep Pages Swept Marked No Versions. Number of failed write requests.!Additional delay in milliseconds.Old XTP log truncation LSN.Test Point ID.TNumber of sectors cleared in the mapping table as it is already truncated in tenant.%The operation was successful executed+Occurs when add file action is rolled back.Sync Log Block.Unique ID to identify each row&Page Request/Response between servers.Key accessor pointer.!Various statistics about the sort�Runtime remote query instance is uncached. This indicates that a previously cached version of the query instance runtime is being used. This can be correlated with the query_instance_cache_remote_insert event$The name of the Availability Replica/Column filter type evalued in column store scan&Sort internal events and state changesGIndicates if the system has a high amount of physical memory available.xDatabase DDL or operation agent starts to execute the local operation upon receiving a valid request from a remote brickIThis is event will be fired from the distribution agent on an init event.Duration in seconds.BThe number of automatic failover secondaries that are synchronizedFEmitted before a sort batch commits during the input and output phases+Identifier indicates where the dump occurs.#Signals the end of the conversation:For ADR cleanup test to record the deallocated page cases.EEmitted after a sort batch commits during the input and output phaseslID of the ending log block in the cache buffer, 0 for a private cache buffer containing incomplete log block!Processing SetMarker RPC command.FNumber of rowgoup disabled upto this xevent is fired by current thread]Emitted after an intermediate merge has been completed on-disk but has not yet been comitted.WRef counted PVS page allocation as TrackPagesPriorToCrashRecovery is not completed yet.Bitmask of range options.5The ID of the database that the XEvent is raised for.)Produces a deadlock report in XML format.5An XML document describing the results of a deadlock.NThe maximum memory (kb) used to build the bloom filter for one column segment.ZProduces a deadlock report for a victim, with information scoped to the victim's database.Error number%The ID of the table that was scanned.)The size of the log block being captured.Waiting for file read prefetch.MThe number of local deadlock monitoring cycles observed since server startup.CNumber of pages being evicted from the buffer pool extension cache.OThe name of the database the victim was running in at the time of the deadlock.6Identifies whether the spool prefetches large objects. Whether it's during tuple mover.@Produces a deadlock report in XML format. Filter sensitive info.4Number of bytes transferred from HPC devices to host?This gathers stats for the RndAccessFile::Read() function call.EThe total size of all off-row compressed LOB entries for the segment.&LSN where hekaton recovery will start. The identifier of the log block.The SPID of the killed processtopL1Sample.version store usage7The name of the database on which the deadlock occured.Start hadron database.&Index leaf page disfavored during scan3Indicates the initial state of the database mirror.;Reports operator counts in queries against stretched tablesDOccurs when a text info record is read by the replication logreader.)1 indicates failed, 0 indicates otherwiseJOccurs when a filestream info record is read by the replication logreader.Ddatediff (in sec) between end time and commit time of last committedRedo thread done with work@Occurs when the replication logreader agent reads an EOR record.bOutputs transactions which are added to the repl hash table as well as some hash table statistics.Gend of log while current scan ended, available after the end of phase 2 Preparing SetMarker RPC command.:The low part of the xdesId the row being moved belongs to.2The total size of all LOB entries for the segment.QOccurs when the replication logreader agent executes a horizontal filtering proc.(Mixed Extent Activation or Deactivation.xThe limit on memory in KB this columnstore build received during memory grant estimation and acquisition for all thread.@The current effective DOP this query for columnstore build used.XdesId_HighHThis is event will be fired from the distribution agent on a sync event.AThe rate at which I/Os to the disk were split into multiple I/Os.EShows the average time, in seconds, of a write operation to the disk.The type of file transfer.Distributor Minor VersionRequired memory grant in KBGThe number of processes in the computer at the time of data collection.�Occurs immediately before QVM context is serialized and shipped, and immediately after it is received and deserialized. Use this to get a dump of shipped/received QVM context data.Distributor Build NumberLHolds extractor-specific data fields, packaged together in JSON-like format.#HoBt Schema Manager HoBt operationsTotal Run Time (ms)Redo processing on secondary.Total Work TimeQuery compilation is prepared2The ID of the database the failover is occuring on\HADR set the WSFC dependency between an availability group and its listener resource object.RA MERGE operation started merging columnstore rowgroups but failed in the process.QOccurs along with a log consumer's log consumption activity during its life time.Total Num Trans9Emits an event describing a catalog communication failure
Num Trans/SecSize of requested memoryCEstimated number of threads that share a native shuffle buffer set.The logical disk drive name8Indicates if this is the beginning or the end of a spillNum Cmds/SecApi function name. Processing SetRange RPC command.4The name of the database the failover is occuring on1Total number of queries with active memory grantsRThe amount of time (in microseconds) required for the file size change to complete.The number of currently active worker threads.Sync Status CodeNumber of rows estimated.Percentage of Granted vs. Ideal-Percentage of PVS allocation in the hot path.?Query memory request calculation for memory consuming iteratorsDatabase Id&Amount of log remaining to be scanned.'Max dop used for the rowgroup building.Sync Status MessageAThe (UTC) time against which the compression delay was evaluated.Transferred Bytes.kOccurs when column store tuple mover was not able to acquire required locks for truncating a delete buffer.Agent IdThe error's referring page ID)The error number of the corruption error.ITotal elapsed time (in milliseconds) spent on synchronous Read operation.Publication IdCreating RPC column accessor.Average Delivery Latency'The isolation level of the transaction.5Occurs when secondary is going to apply a VLF header.The Availability Database ID.:Compute the rowset type and log mode when opening a rowsetStatus Start Time�Operator node identifier. Use this value to locate the operator in the XML query plan/graphical plan using the NodeId attribute.4The frequency of the current processor in megahertz.dNumber of aggregate columns for which fast aggregation without calling expression services was used.
Commit LSN Time in uS to send this message.DOP of current query
Time Stamp=Used to validate the native shuffle sbs open file operations.(FPGA code name for identifying workload.Duration<Fired before batch mode sort starts to process spilled data.$Writing a log block to the log cache'ADR Cleanup Sweep Non Data Pages Swept.%Operation associated with the message!Total space used by the fragmentsDelivered Transactions1Minimum data id stored in column segment metadataIs queued through SOS_Node?.Delivered CommandscbL2BPoolSize.�Occurs when a model is removed from model cache for PREDICT function. Use this event along with other predict_model_cache_* events to troubleshoot issues caused by the PREDICT function model cache.
Delivery Rate)The file id corresponding to the page id.8ID of the database whose new log interest bit is flippedError Id The count of aborted savepoints.$Number of queries waiting for grantsEThis event will be fired from the LogReader Agent on a status change.GThreshold at which to start evicting pages from cache to database disk.0The compression corresponding to the dictionary.gPage was skipped because it belongs to a transaction that is newer than the oldest aborted transaction.6Auto page repair is deffering the page repair request.&Secondary dictionaries were processed.
Delivery Time|Occurs when an expression is not natively supported in batch processing mode and a wrapper of row-by-row evaluation is used.Delivery Latency>The database name of the object on which the lock was acquiredBThe block offset of the last log sequence number that was written.3Occurs when memory grant feedback loop is disabled Average Delivery RateThe ID marking the code point.'Indicates a System or User transaction.(Locking attempt counter for this insert.Immediate stop flag.0Test point for failure injection in Hadr Db Mgr.AOccurs when cleanup has started for online index build with LOBs.$RX about to send an activate messageTotal Delivered CommandstopL2Sample.iOccurs when column store tuple mover was not able to acquire required locks for flushing a delete buffer.+session ID is recycled after server restart>Statistics about updating Block Blob ID size in the catalog DB5Record when batch-mode TopN sort reverts to full sortnnumber of (replicated or tracked) transactions processed, available in phase 2, after which it keeps unchanged9The type of columnstore index load (build or bulk insert)uOccurs when the state of a database mirror has changed. Use this event to monitor the condition of a database mirror.%Version and transaction cleanup statsThe deadlock chain session ID.Rnumber of commands processed, available in phase 7, after which it keeps unchangedlogscan start timeBXEvent used to indicate that database is added to unresolved list.number of extents allocatedHColumnstore object was successfully write to block blobs on index build.Jcommit time of last CDC tracked commit lsn processed, available in phase 7 Current blockid of undo scanner.Partition low key.The name of physical server.~current scan started from this LSN, available after at beginning of phase 2, DMV users should call PackLSN(...) before displayPercentage of Used vs. Granted�Occurs during updating secondary's recovery forks stack. After deleting extra entries in the secondary stack but before copying new entries from primary.Indicates db_manager api calls.Current Redo Rate.#current LSN, available from phase 2+The size of the message in number of bytes.'Duration to acquire latch in CPU cycles"Pending log scan queue at primary.Aearliest CDC tracked begin LSN in this scan, available in phase 78Database recovery at the end of physical recovery stage.The database ID of destination.0The rowset id for which the transition happened.The database ID being checkedPFile manager delete or mark file entries from master database and this database.>During HobtDrop failed to drop sbs cache file by handle value.Schema name.'Indicates if Io completed successfully.+The ID of the database it is checkpointing.3A new and unused database Id is found and reserved.&The count of aborted nest transaction.mThe total outstanding read ahead in bytes issued so far in this scan operator. Excludes max_bytes_read_ahead.@Indicates stages and processing times for hardening a log block.)The component that has completed startup.Start timestamp.7ID of resource pool where this grant request belongs to!Startup or non-startup traceflag.$RbIo caught an unexpected exception.Database for the table.AThe state representing the point at which we want to synchronize./The ID of the rowset of the column store index.thresholds are re-calculated.Ideal memory grant in KBThe ID of the log block./LSN of the file header modification log record.;Occurs when the database MetaData version has been updated.!Harden log block start timestamp.Number of cache misses. Log block flush start timestamp.!Processing InsertRow RPC command.3RBPEX performed the deferred file growth operation.+Memory held by the resource semaphore in KB(Locating or inserting row in RPC rowset.#Wait for log flush start timestamp.+Time elapsed while acquiring this file job.BThe identifier of the transaction that tracked the inplace update.Availability Replica Id.hStatistics and compression info on LOB columns for off-row and inlined (in secondary dictionary) values.2The object ID of the resource that is being locked0Cumulative time in microseconds, including waits(Timeout in ticks for acquiring the lock.jThe data structure DBTable is initialized according to registered information in Master database catalogs.bBegin the request to create a database segment at some remote or local brick from the local brick.�Occurs when RBPEX is going to write a new page, the invalidation can produce a failure invalidation or a successful invalidation.1DNS Name used in the availability group listener."Activity of the consistency check.SThe request to create a database segment at some remote or local brick is finished.'The aborted version cleaner start time.DOccurs when the file manager started to modify a database file name.possibly invalid value3Indicates stages like start, complete and succeeded9NUMA node on behalf of which eviction is being performed.Metadata cache entry miss)Failure encountered in recreating a file."The resource manager ID of source.PThe files of a database segment are remapped with sys.master_files system table.Table name.}The recovery unit files metadata, sys.database_files, of a database segment is copied from the sys.master_files system table.4Change user status for a hadron controlled database.DOccurs when all the files for a database segment have been attached.uThe amount of time (in microseconds) that the query had to wait for the memory grant. Only valid for warning_type = 1Target DbMgr state.HOccurs when HADR FileStream transport traces a directory create message.CThe startup process of DBTable data structure is done successfully.Async read operation HRESULT.=The database ID of the object on which the lock was acquired.-The Database is migrated to MatrixDB segment.~Occurs at the end of query processing for queries with memory grant over 5MB to let users know about memory grant inaccuracies"Elapsed time for opening the file.Is Source Rowset ResumableuHadron Tds Listener Synchronizer skipped a listener payload because there were no changes since the previous payload.Name of the log consumer+The number of allocations used as a target.Last block flushed.HThe state of a database segment is changed in the local database segmentPOne database segment sent a state change message to the primary database segment@The availability group listener TCP/IP port number was modified.QThe primary database segment received the state of the secondary database segmentLog Truncation LSNCOccurs after a SQL statement is compiled. This event returns an XML representation of the estimated query plan that is generated when the query is compiled. Using this event can have a significant performance overhead so it should only be used when troubleshooting or monitoring specific problems for brief periods of time.#The scan generation of the message.%FPGA cycles when recieve cpu request.2Calculated total number of buffers per buffer set.$The number of columns in this table.RMetadata Id of the targeted database, or 0 if the id is not available at the time.'Auto page repair skipped a page repair.BGuid of the statement inside a T-SQL batch sent by user to SQL FE.�Fired when a file handle we're trying to delete is in use and we don't expect it to be. The typical response is dumping all the handles in the system via SysInternals HANDLE.EXEXLogical name of the targeted database, or NULL if the name is not available at the time.IStart of waiting for MoveUp redo to complete in order to accept a new VlfEOccurs when a task has been blocked longer than the time that is specified by the sp_configure blocked process threshold setting. This event is not triggered by system tasks or by tasks that are waiting for non-deadlock-detectable resources. Use this event to troubleshoot blocked processes. Filter out sensitive information.YDatabase DDL or operation agent sends a request to a remote brick to execute an operationUThe current catchup queue size in bytes, EndOfLogLSN(Primary)-HardenedLSN(Secondary).3The xcuster configuration message send or received.5A database DDL or operation agent request is finished;Identifies whether the primary spool has never been opened.(Auto page repair added a corrupted page.SAll database segments are dropped, and the physical files may or may not be deletedDIndicates the type of the problem that causes the memory grant delayThe level of spilling.SOS_Result of the scan.DDatabase is renamed, but the transaction has not been submitted yet.GOne or more database option changes are changed in metadata or bootpage8Identifies whether the spool has a one-row optimization.-The file id on which the evaluation was done.FIndicates that a file was reused, moved from free-list to active-list.ADBTABLE structure is refreshed after database options are changed:The new hk trim LSN that replaces the one on the bootpage.`Occurs when all database files has already been formatted on disk for an ADD FILE DDL statement.pThis xevent is fired when an inconsistent page is encountered in RbIo secondary. Used only for testing purposes.Degree of ParallelismqThe type of database the stale page was detected in. The value will be Page Server DB for this particular XEvent.POccurs when the file manager added file metadata in the master database segment.The database this index is in.;The ID of the table for which the escalation was triggered.LThe number of currently active workers which are not processing a work item."How long a query waited in secondstype of transition.!Metadata manager catalog inserted/Occurs when the file is prepared to be dropped.*Occurs when drop file action is committed.DOccurs after a SQL statement is compiled. This event returns an XML representation of the estimated query plan that is generated when the query is optimized. Using this event can have a significant performance overhead so it should only be used when troubleshooting or monitoring specific problems for brief periods of time.AFired by XTP offline checkpoint when the checkpoint thread stops.HID of a Sequence object. See system view sys.sequences for more details.,Occurs when drop file action is rolled back.Active degree of parallelism.FOccurs when the file manager modified the property of a database file.QOccurs when the database agent on the connect brick starts to create a filegroup.JHADR Database Replica has been fully unjoined from the Availability Group.;Foreign file validator finished validating a snapshot pair.9The path of the directory relative to the root directory.,The identifier of the root of the directory.(Occurs when a page is added to the suspect_pages table in the msdb database. This event is issued asynchronously from the insertion of a corresponding page into the suspect_pages table. Therefore, a job that is listening to this event may not find the correlating suspect_pages entry immediately.zOccurs at the end of the randomly sampled queries providing memory grant information.(It can be used, e.g., for telemetry)MOccurs when the file group manager changed the name for a physical filegroup.	Redo LSN.4Id of the file containing the page that was written./The object id of the table with fulltext index.QOccurs when the file group manager changed the property for a physical filegroup.<Background merge will have this value set to 1, otherwise 0.ZOccurs when a task gets access to the flow-controlled section during insert into a B-tree.*Number of group commit waiters has changed2The sbs sequence number for the buffer being read.Log flush was requestedThe error's referring slot ID.Granted memory size in KB8The type of the object that the plan is associated with.4Fired for every hekaton file that is being restored.Log write buffer was allocated#Sub Type of the Backup Sync MessageMax version chain traversed4The target distribution id the buffer is written to.-Log Header has been changed after redoing it.9Indicates if column is output column in column store scanBShows the rate at which read operations are performed on the disk.0After some amount of log is snipped but not all.eThe ID of the suspect page. This is the same as the page_id column in the suspect_pages system table.Local database ID.PXEvent used to indicate that cross-db participant transaction is being prepared.LID of the log consumer which resets the persistence status of this log blockDatabase id/Indicates if the database is in media recovery.The next ID stored in memoryPThe size of the in database regular version store heap for persisted versioning.2Hit/miss ratio for the compressed log block cache.\The count of rows inserted to the PVS regular and long term version store for this database.#Max query memory limit in 8K pages.Waking up RPC rowset.�Occurs immediately before QVM context is serialized and written back, and immediately after it is received and deserialized. Use this to get a snapshot of writeback QVM context data.Secondary recovery blockid.Is command unsuccessful.2Indicates that source file tag was set to 'Delete'PThe count of rows inserted to the PVS long term version store for this database.The hobt ID of the columnstore.RThe count of chained rows inserted for triggers in persisted/tempdb version store.&Path of the container which was added.IThe name of the database for the object that the plan is associated with.HResource Governor resource pool ID where this blocking query is runnningUInserts over ghost records are blocked by the Index Builder for Resumable Index BuildFOccurs periodically, aggregating all occasions a sql batch is started.NThe count of instances the row version was generated using a diff of the rows.VThe count of instances the row version was generated using a full copy of the old row.,In Row Sweep Pages Swept Marked No Versions.LIndicates that the previous PageRow was deleted as part of the invalidation./Remote DMV stream client side open call is madeThe count of instances the row version was marked as ghost but left intact for versioning instead of pushing to version store..Remote DMV stream cache missRuntime query is shutdownjThe count of instances the row version was not versioned in-row because the old or new row was too large..=Occurs when a query is entering a wait queue for memory grantLThe count of instances an off-row version was created on behalf of a delete.cL2Size.Traceflag number.0Auto page repair received a page repair request.MThe count of instances an off-row version was created on behalf of a LOB DML.iFired by XTP offline checkpoint before it hardens the complete checkpoint information into the boot page.&Metadata delete local temporary objectIThe inrow versioning was skipped cause the older version was interesting.-Id of log block being sent in header message.5Occurs when a log block is consumed by a LogConsumer._The inrow versioning was skipped cause the row paylod doesn't support storing sequence numbers.CId of the file for which covering RBPEX segments are being created.sCount of inrow versioning that was skipped due to insufficient space on the page for the versioning record pointer.GThe amount of time (in microseconds) that it took to execute the query.FThe HRESULT returned by the failed RBPEX segment allocating operation.-Query execution trace (internal testing only)*The id of the worker publishing the event.[Count of inrow versioning that was skipped due to lack of support for InPlaceUpdateContext.<The time elapsed since throttling was last enabled in msecs.EThe hobt ID of the delete buffer on which the truncate was attempted.cThe size of the preallocated pages in database regular version store heap for persisted versioning.IPage is being read from this offset in buffer pool extension paging file.5A read-only routing operation successfully completed.CThe count of blob inserts whose version info got pushed to off row.5Remote CS Garbage Collection Batch Completion XEventsThe physical database ID.MOffline checkpoint is working in records that were processed during recovery.9Verbose trace for get record in persistent version store.LSN Sync message.Was the transaction prepared."Is the PVS long term version store5The time (in microseconds) that the task was blocked.-Rowgroup ids has been enumerated during scan.Query memory post-grantIEstimated failover time (in Msec) based on redo rate and redo queue size.%Average background allocation factor.�Number of times this event has already fired for the same query and operator. Larger values will mean more significant cardinality estimate inaccuracy..Number of versions being generated in the PVS.OReason of why this rowgroup has been disabled for FPGA pushed down aggregation.The type of the DDL statement@The number of physical page reads that occurred during the scan.Hardened Log Block.RNumber of times the background preallocation thread woke up and allocated extents.Min skip LSN for FS log backup.%FPGA cycles when CPU issue a request.BNumber of preallocated PVS pages available for version generation.<Indicates either a hash recursion or a hash bailout warning.:Minimum number of extents preallocated in single iterationJExecution mode of the thread. 0 indicates row mode, 1 indicates batch mode�Shows the rate at which deferred procedure calls (DPCs) are added to the processor's DPC queue between the timer ticks of the processor clock."In Row Sweep Non Data Pages Swept..The SEQUENCE_LATCH_TIMEOUT failpoint happened.DThe block offset of the log sequence number returned by a page read.*In Row Sweep Non Data Pages Swept Percent.KOccurs at every 5 minute intervals for each resource governor resource poolMajor number of exception./Time when this query requested the memory grantWOccurs after a log block message has been sent. This event is only used for failpoints.ADR Cleanup Sweep Pages Swept.Description for the code point5Indicates log block group commit processing duration.PID of SQL instance0Occurs when a log block is cached into Log Pool.YCumulative number of times we loaded all the columns in the partition since server start.GPage was skipped because there are transactions still interested in it.Page is being looked upUnderlying ObjectId for Index.+Number of pages that was cold read (inrow).�Occurs when the request for a lock was canceled, such as when the query requesting the lock was canceled. Use this event to monitor locks.)Number of pages that was cold read (ADR).IFlag to indicate if new watermark is being sent in this progress message."Size of current log size in bytes.resource group of current task.Current Redo Queue Size.ONumber of pages for which read ahead was issued but we still are waiting (ADR).Log space used in bytes. Flags related to the dictionary.Max % CPU rateACumulutive time spent waiting for page in the cleaner path (ADR).Phase of the undo.3Is the buffer configuration dynamically calculated..Current size of accumulation buffers in bytes.3Runtime of the cleaner sweep of the database (ADR).oIndicates the file size change (in KB). This is a positive number for file growth, and negative for file shrink9The number of bytes relaimed from version space on pages.RShows the rate at which bytes are transferred to the disk during write operations.=Fires when RPC for VDW distributed computation was requested.fThe total time spent for building the bloom filters for all columns (that support it) in the rowgroup.HThe count of deleted rows from aborted transactions that were unghosted.EAny Xevent raised by HKCS will have this value set to 1, otherwise 0.2The estimated execution cost of running the query.FThe count of inserted rows from aborted transactions that were purged.BThe ID of the rowgroup whose segment has been skipped during scan./Remote CS Garbage Collection Task Start XEventsNOutput column number starting from 1 and matching the showplan xml output list1Low part of xdes id for oldest abort transaction.COccurs when a single IAM page is removed from the physical scanner."Minimum filestream recovery point.'Low part of xdes id for low water mark.StopAt point for scan.(High part of xdes id for low water mark."Min useful XTS in version manager.DFailpoint to simulate login failed due to Deny External Connections.:Track mixed extent activation and deactivation operations.External timestamp*Min useful regular XTS in version manager.EInfo XEvent for analysing engine MS request for updating trace flags.RValue of 4th additional CPU cycles counter used internally in row bucket processor
cBufAlloc.The absolute path of the file.5Resulting total file size (in KB) after the operation)The pvs off-row version cleaner end time.The Availability Replica ID.'The error that caused the suspect page.1An aborted row has been moved during ADR cleaner.<The number of filestream chunk log records in the log block.AOccurs when primary send or secondary receives vlfheader message.Reason for skipping inrow diff.�Runtime query iterator is uncached. This indicates that a previously cached version of the query runtime is being used. This can be correlated with the query_scan_cache eventThe existing row size.)The max row size allowed for in-row diff.BOccurs when log consolidation completes one move-log-to-data task.$HADR Availability Group Listener ID.YThe actual granted memory in KB. This can be zero if this additional grant request fails.$Additional versioning related stats.ZLazywriter and/or worker clock has wrapped the BUF array and thresholds are re-calculated.The local transaction ID.average iop load/The count of rows deleted in a DDL transaction.Configuration number of epoch.IShows the percentage of non-idle processor time spent in privileged mode.iShows the average number of hardware interrupts that the processor is receiving and servicing per second.IThe count of rows inserted to the tempdb version store for this database.�The count of rows inserted to the tempdb version store for this database that would have been small enough for in-row version full row.+Occurs when global transaction is complete.Transaction commit/abort statsNumber of log record fragments-Number of bytes from particular distribution.CXEvent used to indicate that prepared transaction is being defered.EIdentifies whether the workfile of the spool needs to be kept around.=The number of transaction abort log records in the log block.qRepresents a specific point in the tracing of a log block. This number is used by the Microsoft development team.GPages bypassing eviction because they are part of a scan and used once.3Is Constant Time Recovery enabled in this database.GResource Governor workload group ID where the blocking query is running�Total CPU time (in milliseconds) spent on creating the extractor instance for this file. Typically includes reading and initializing the whole file metadata.TCount of rollback transactions that are deemed as not short/long by internal policy.Total number of segments built.=Query plan hash, which represents the shape of the query plan+Low part of xdes id for master transaction.GA versioned scan skipped scanning the rowgroup which is too new for it..The count of reading nest id from off-row PVS.6Occurs when a log cache buffer is replaced or removed.The ID of the database replica.bHADR Windows Server Failover Clustering will bring an availability group listener resource online.-The total number of rolled back transactions.6The 'NullValue' property corresponding to the segment.Worker thread number for parallel query plan, or zero for serial query plan. The cardinality estimate inaccuracy is detected on per-worker thread basis, considering the total number of rows estimated for this operator and assuming equal distribution of rows across the worker threads.#The current abort transaction countZThe transaction ID of the transaction that inserted the entry into the dictionaries table.BMagnitude value used in value based encoding of non string columnswThe number of transactions that qualify for ADR because the distance between rollback and begin crosses the threashold./PCIe memory copy time (us) from device to host.WOccurs when HADR FileStream transport finds relevant log records when interpreting log. Preparing FetchData RPC command.QThe number of all off-row passthrough (uncompressed) LOB entries for the segment.Status of the operation.Data for this event.+Whether this database is in log accept mode>Indicates that a new container was added to storage interface.0Count of read uncommitted isolation transactions�The log space used in bytes, when the reserved log reached the max_reserved_log_that_allows_flush_as_delta_bytes threshold. If the threshold was not reached this field should be 0.4Allow customizable failures during complete recoveryMetadata entry version updated,Count of serializable isolation transactionstEnd of API that creates/opens SQL Server instance name to cluster node name map key in the cluster store (registry).FMaximum xlog reader thread stall time recording in reporting interval.!0 - swap; 1 - flush; 2 - truncate(Count of snapshot isolation transactionsXThe indicator for Sbs Direct Read, if true, bypass SBS API and read from table directly.<Count of all transactions started using begin tran statementLog Block waiting for harden.*Whether we should raise an exception here.Concurrent PFS Update stats.GThe file offset aligned by buffer size was found in prefetched buffers.>Number of rows not pushed to scan because of possible overflow%Time stamp when the failure happened.AA MERGE operation started merging columnstore rowgroups together.jOccurs along with the persistence status of a log block in a shared cache buffer being reset to persistent7ID of the log consumer the log being read is private toSCount of times update latch was requested for pfs page during transaction rollback.%The xcuster configuration message id.5A bloom filter has been created for a column segment.4Allow customizable failures in the redopass function2The file id on which a row was logically reverted.:The number of bucket swaps we are doing in the bucket map.New Hardened Log Block.9Occurs when primary is waiting for filestream to be sent.HRemoved aborted xdes from aborted map after cleanup iteration succeeded.
XdesId_Low)number of CPUs allocated for sql instanceDXEvent used to indicate that database is removed to unresolved list.;The name of the database of the table tha is being modified]The binary representation of the Resource Manager ID associated with this transaction branch.YTotal number of memory grant updates that happened when memory grant feedback loop was on$Whether this session is SDS visible.vThe limit on memory in KB this columnstore build received during memory grant estimation and acquisition for a thread.0The page is marked as having persisted versions.(The ID of the transaction that was used.2Columnstore tiered storage scanner start database.8Failed to grab a lock in the blob container accessor API5The page id for which persisted versions bit was set./Page is marked as having no persisted versions.Ending update in RPC rowset.>Number of hash join operators involving a Stretch remote table5Number of distributions native shuffle is writing to.3The page is marked as having no persisted versions.#HADR availability group resource ID�The read-only routing server name returned to the client in the routing response. The server name is determined using the READ_ONLY_ROUTING_URL set on the destination replica.AOccurs when HADR FileStream transport traces a block end message.9The page id for which persisted versions bit was cleared.9Fired by XTP close thread after it updates the boot page.jThe CPU time (in microseconds) that was used by the last request in the process that caused the violation.ID of the database./The ADR sweep for skipped pages in ADR started.+The magnitude corresponding to the segment.:Actual number of rows output by this worker thread so far.RLS Query Count for a databasePreparing SetData RPC command.6The nest abort type, 0 - xact, 1 - nest , 2 -savepointThe start nest IdXlog reader thread apply time3The name of the cleanup function that was executed.Ideal memory in KB.aNumber of non-inlined LOBs that fit in a single buffer moved during this data movement operation."Size of the log block being cachedAFailpoint to co-orindate cleaner and db exclusive waiter for test`Failpoint to co-orindate cleaner and user workload when cleaner has released latch on btree page0Is a columnstore build waiting for memory grant?"Processing GotoMarker RPC command.7number of non-continous sections of this set of extents6Columnstore tiered storage scanner finishes a segment.SOccurs on the completion of a startup dependency in the SQL Server startup sequence(file id the thread allocate extents frommFailpoint to coordinate logical revert triggered by user transaction with logical revert triggered by cleaner&The File id of the current SGAM Page..YPointer to an integer that will be used as the Deny External Connections value (boolean).,The database ID of the XEvent is raised for. Preparing InsertRow RPC command.BFailpoint to while logical revert transaction is being rolled back+This event describes the transaction state.DThe hobt ID of the closed delete buffer that is about to be flushed.A query is a big oneTransaction state.INumber of rows not pushed to scan because of the total encoded key length�Returns a set of counters associated with the Processor performance object. The event occurs once every 15 seconds for each processor in the system.tOccurs when DBCC CHECK enters a new phase of the checking. Use this event to trace the phases of DBCC CHECK process.5Pages bypassing eviction because they are unassigned.KUsed for nested loop join, occurs after consumer send correlated parametersResumable Index Build In Create�Occurs when a phase of DBCC CHECK is finished. Use this event to collect the number of logical, physical, and read-ahead IOs a DBCC CHECK thread has performed.,Memory usage in bytes by the worker threads.~Occurs when a phase of DBCC CHECK is finished. Use This event to collect the number and time of page latch and IO latch waits.3The hours that the resumable index has been paused.�Occurs when a query uses a bitmap filter and the bitmap filter is disabled. Use this event to troubleshoot performance problems for queries with bitmap filters, and to identify queries where the bitmap filter was disabled because it is nonselective.@Occurs when an allocation unit is added to the physical scanner.The database ID of source.HThe time (in microseconds) that the current stage takes to be completed.?Occurs when a single IAM page is added to the physical scanner.Actual number of sorted rowsPage ID.Time when the memory is granted for this query:Occurs when a subscan is started within the check scanner.LSN.0Indicates if this is a low priority lock request'Occurs when a subscan issues readahead.AEvent fired to indicate that a batch of objects has been checked.DOccurs when row bucket processor finishes column store segment scan.Rate of redo at secondary.EThe database ID of the primary database in which the error was found.(The size of requested memory grant in KB+Original rowset for the online index build.RCollects the statistic data for cache and Azure blob storage I/O performance test.FA route for a rowgroup version was removed for being no longer needed.FThe database ID of the database snapshot in which the error was found.The error level (severity).)The role of the replica after the change.OXEvent used to indicate that cross-db participant transaction is being commited,The Page Id where the scan is starting from.Query using Always EncryptedtOccurs when an operator outputs significantly more rows than estimated by the Query Optimizer. Use this event to identify queries that may be using sub-optimal plans due to cardinality estimate inaccuracy. Using this event can have a significant performance overhead so it should only be used when troubleshooting or monitoring specific problems for brief periods of time.:The name of the object for which the index is being built.The error state.!The database this sequence is in.	HADR DBID1The file ID where the corruption error was found.0The page ID where the corruption error was found Total number of ReadAsync calls.1Occurs when an automatic seeding operation fails.GFailed to load the table into memory in the blob container accessor API>The ID of the transaction in which the blocked process exists.3Columnstore tiered storage scanner start a segment.JThe file ID for the position where the last mixed page allocation occured.Request db id.{The selected destination read-only routing replica port (derived from the READ_ONLY_ROUTING_URL of the destination replica)Pointer/Id of the task.BXEvent used to indicate that transaction outcome is being deleted.SOccurs when evaluating read-only routing information on a local primary DB replica.=The accessor ID being used in the scan (identifies the scan).3The error number value of the file flush operation.�The number of rows that are inserted. This field is only populated when build_stage field value is equal to 6 (Inserted row count).6The rowset ID of the object where the error was found.�Occurs every time that SQL Server executes a SELECT, INSERT, UPDATE, or DELETE statement. Use this event to monitor if a query is running in parallel.'The ID of the log block to be appended.�This xevent is fired during failovers to get stats to see how many batches are killed before and after opportunistic failover is enabled+The repair level specified for the command.*Total number of bytes read asynchronously.)Occurs every time a log record is redone.'The duration of the command in seconds.4The path of the file relative to the root directory."Switching partition in RPC rowset.=The minimum repair level required to repair the errors found.Connect brick id.Bytes in log block message.5Identifies the node id of the primary spool operator.&Source Rowset in Resumable Index Build3Traces recover-to age response from a remote brick.Backup Info message.FOccurs when HADR Fabric log management component updates log throttle.&Estimated required memory in 8K pages.^Occurs when all messages are sent and the replica is about to be created on the connect brick.*Unique ID to identify each query execution"The number of steps the query ran.RValue of 2th additional CPU cycles counter used internally in row bucket processor3The state of the transaction coordination with DTC.!Signals completion of local call..Time in uS waited on log flush and scheduling.Metadata lock objectFailed to open XStore blob.-The logical name of the file that is modified"The logging mode of the activation8Max query memory in KB allowed under this workload group[Results for validating that the EndofLog from secondary compute, matches the EoL of the LZ.Is the Transaction in rollback.peak memory usage (mb)The severity of the exception.=Allow customizable failures during RbIo transition to loggingMinimum LSN for the page read.HThe percentage of time the processor is idle during the sample interval.,Query Driver received the activation messagewas the event successsful.GWhen a query gets a page from the future, it waits for redo to catchup.'Parallel scan worker started processingIs the allocation logged.%The File id of the current SGAM Page.The result of the transaction.?The ID of the database write page recorder is keeping track of.hadr availability replica id&The Page id of the current SGAM Page..,RBPEX dynamic file shrink operation success.,The File Id where the scan is starting from.\Occurs when a task has been blocked longer than the time that is specified by the sp_configure blocked process threshold setting. This event is not triggered by system tasks or by tasks that are waiting for non-deadlock-detectable resources. Use this event to troubleshoot blocked processes. (By default, blocked process reports are not generated.)xOccurs multiple times during batch mode hash aggregation and reports current memory usage of the hash tables structures.-Truncation LSN without the secondary partner./Used to tag different kinds of telemetry output2The count of times shrink was called on mdf files.Spilled data size in bytes,internal id of the extents allocating threadFunction entry or exit flag.%The file id of the file being shrunk."Total number of buckets allocated.The type of data movement.8Count of pending messages in map that cannot be applied.7Indicates if the page was clean at the time of writing.)GUID that represents the shrink operation@Record the spill file read/write information for batch mode sort<Occurs when a Window Spool operator uses on-disk work table..File size at the various points during shrink.!Current Windows system thread id.1Page Audit failed during Foreign File validation.hGenerated when a rowgroup is not compressed because it does not satisfy the compression delay condition.Percentage progress&Reports UCS registration state changes5Occurs when HADR FileStream transport flushes a file.%Target size of the file after shrink.<The memory in KB that the index builder estimated it needed.WThe type of data movement reader. Corresponds to type column of sys.dm_pdw_dms_workers.Archive metadata field sizeArchive metadata field value +Verbose trace for persistent version store.!ID of the log block being sought. Metadata manager catalog deletedArchive metadata field name*Remote DMV stream is open call is serviced�The transaction outcome. This will be true if the resolution was to commit the transaction or false if the resolution was to rollback the transaction.0The actual IO request offset that was waited on.9Degree of parallelism at columnstore index build startup.Internal State Description.^The AGE associated with the transaction outcome. This is 0 if the transaction was rolled back.�Occurs when matrix restore recovery has completed. It may not occur if there are no in-doubt transactions with commit outcomes to be processed during matrix restore recovery.#The name of physical source server./Whether the RPC rowset needs to cache the keys.uThe memory in KB reserved during this columnstore build (only valid if throttling enabled, 0 otherwise) for a thread.Secondary AR IDAThe number of in-doubt transactions that were resolved as commit.+The Security context used at login session.`Number of threads to scan compressed columnstore for updating the CSRID column of the base tableTelemetry package nameCThe number of in-doubt transactions that were resolved as rollback.-Total number of global hash table partitions.*Code coverage Xevent for columnstore code.1Occurs just before the file stream backup starts.ERead columnstore object from unaligned SBS Cache DB was unsuccessful.Current PageRow Lsn.'Metadata delete global temporary object+Query Driver sending the activation message Desired(Ideal) memory size in KBHXEvent used for testing purposes to generate the proper synchronization.(The ID of the index that is being built.(Query Driver sent the activation message7Ghost Rec count on index page before index build insert9The identifier of the transaction that wrote to the file.3The error caught during execution of Reorg command.5Columnstore tiered storage scanner percent completed.#The ID of the file that is modified0Query Driver sent the statistics profile message*Optional value2 associated with code pointpeak working set usage4Query Driver received the statistics profile message>Pages bypassing eviction because they are in the midst of I/O.[The reason why the merge operation failed. Possible fail reason: 'Failed to acquire locks'.BThe ID of the rowset of the delete buffer that has been truncated.OForeign file validator was notified of a new snapshot taken on primary replica.Query plan operator node ID2Time in uS to apply the log block to the log file.�Shows the percentage of time that the processor spent receiving and servicing deferred procedure calls (DPCs) during the sample interval.,The last ID corresponding to the dictionary.+Query Driver sent the rows affected messageHekaton recovery LSN.4An attempt to lock an open deltastore for insertion.dTrue, if this delta store is being compressed as part of aggressive tuple mover compression context.Number of remote pages read/Query Driver received the rows affected messageaffintiy mask of allocated CPUs Query compilation is initialized The ID of the page in the file..#The name of the Availability Group. Runtime query iterator is cachedAddress of latch being acquiredgOccurs when a file is being added to the database right before generating the corresponding log record.%Query attempt to request memory grant*In what status, current batch mode sort is@Occurs when primary send or secondary receives logblock message.Query topology5Occurs when a query driver is removed from the cache.GThe sequence number of the log sequence number returned by a page read.!Whether the log consumer is alive	Redo rate	Query id.CRead columnstore object from unaligned SBS Cache DB was successful.Bitmap data is finalized�Occurs when the smaller of the estimated or actual cardinality of an iterator is at least 1 million rows and if the estimated and actual cardinality differ by at least 1 order of magnitude.�HADR Windows Server Failover Clustering change notifier detected that the local cluster node is not online. Change notifier will terminate.%Hash iterator's runtime actual memory0Name of the database file that had the bad page.DTotal number of forced minimum memory grant since the server startupBFired by XTP offline checkpoint when the checkpoint thread begins.#Parallel producer thread is startedOReports the performance of each node and thread of a query plan after execution4Statistics about assigning Block Blob ID informationNumber of query threadsQTotal elapsed time (in milliseconds) spent on placing asynchronous read requests.$The ID of the node in the query plan)The ID of the thread running in this nodeAvg version chain traversedNThe availability group id of the primary replica performing read-only routing.SSize of memory for deep data buffers released in the process of garbage collection.!Number of rewinds for this thread'Transition reason for current rowgroup.Is IO reported??Whether FPGA pushed down aggregation is enabled for this query.)RBPEX deferred the file growth operation.fFired at the beginning of an API call by a host callback; used by test to inject failure into the API.Number of logical pages read(Checkpoint of the foreign file has begunParticipant database ID.+An XML document describing list of filters.Start of log LSNRemote Machine Name./Indicates the new state of the database mirror.Number of physical pages readStart timestamp of this event.Query execution plan node idNumber of read-ahead pages readNumber of pages writtenID of the activity*Fetching row by key value from RPC rowset.qOccurs after a DML statement. This event contains either XML representation of the query plan or plan hash value.Participant database name. Source Rowset of index in build.-Number of buffers allocated from query grant.CIdentifies worker thread id which matches to showplan XML thread id"Number of pages read from workfile$Is HPC related information reported?Database ID'Number of rows processed by HPC devices#The number of rows for the segment.6Occurs when primary or secondary DBR is changing state"Whether to use LocateOrInsert API.7The database ID of the index or table that was scanned.BThe length of the target RowgroupId list. It can be more than 100.2HPC kernel execution elapsed time in micro seconds>Occurs when the state of the Availability Replica has changed.BAverage number of cpu cycles spent aggregating a single input row.4Number of bytes transferred from host to HPC devicesEnd of log returned from xlog,The ID of the partition that is being built.6The id of the object that the plan is associated with.2The database name of the index/table being scannedBOccurs when RBPEX is going to write a new page in the lru refresh./Source Rowset in Resumable Index Build With LOB3The estimated number of rows returned by the query.#The sequence number of the message."ID of the log block being consumedgThe handle that can be used to obtain the plan XML from the dm_exec_query_plan dynamic management view.9The name of the database owning the file that is modified Message destination server name.#Time in uS to process this message.gThe handle that can be used to obtain the query text from the dm_exec_sql_text dynamic management view.mShows the combined rate of calls to Windows system service routines by all processes running on the computer.8The name of the object that the plan is associated with.Requested memory grant in KBElapsed time in secs1Ideal additional memory grant before update in KB>Resource Governor workload group ID where the query is runningBFlag indicating if creation of hk objects was enabled or disabled.Requested memory in KB.Degree of Parallelism.%Encoded null value for column segment6The version timestamp of the rowgroup that is skipped.RFile id of the first page of block being evicted from buffer pool extension cache.Occurs after a SQL statement is executed. This event returns an XML representation of the actual query plan. Using this event can have a significant performance overhead so it should only be used when troubleshooting or monitoring specific problems for brief periods of time.+The id of the object that is being modifiedGIndicates the CPU time (in microseconds) that is consumed by the query.,Indicates the new memory size, in megabytes.8Foreign File validator encountered error post page read.�Occurs after a SQL statement with the QUERY_PLAN_PROFILE hint is executed. This event contains an XML representation of the actual query plan.@Size of the memory buffer per output distribution, in kilobytes.4Physical Seeding Forwarder Target Side State Change.JReason for trim: 0 not trimmed, 1 low memory, 2 secondary dictionary full.Non_grant memory used=The type of database write page recorder is keeping track of.RX sends row buffers%Time this transaction was active(ms).RX receives row buffers/Total buffer size for column bindings in bytes.3The count of repartitioning pages processed so far.Remove database cacheReleasing RPC column accessor.+The ID of the primary Availability Replica.#Number of pages written to workfile-Whether fragment enumerator is in clone loop.PVS trace message.JTracks the progress of the page server catch up during an encryption scan.,Occurs at the end of batch hash aggregation.;Columnstore tuple mover completed compressing a deltastore.3Logged on the commit or abort of global transaction$Setting RPC rowset to dormant state.4The local distribution ids array for trim movements.IEstimated failover time (in Msec) based on send rate and send queue size.Getting data from RPC rowset.QForeign file validator inserted a new snapshot into a list for future validation./A route for a rowgroup version was rolled back.EOccurs when Always On DDL is executed including CREATE, ALTER or DROP The ID of the columnstore index.Setting data in RPC rowset.'Auto page repair failed to repair page./Occurs when DB log generation throttle changes.}Identifies the node ID of the operation that caused the hash warning. This corresponds to the Node ID in Showplan XML output.�Occurs when there is a connectivity issue between the cluster and the Availability Group resulting in a failure to renew the lease$Whether the row was already deleted.,Number of column bindings for data accessor.Data accessor pointer.NTrue if the trimmed rowgroup would have hit the query memory limit on growing.6Data accessor's total buffer size for column bindings.9Update of the foreign redo LSN in the foreign file header@The total time it took to compress the rowgroup in milliseconds./File Metadata Request/Response between servers.kNumber of Xlog reader thread stall time waiting for redo to catchup samples recorded in reporting interval."Inserting index row in RPC rowset.<The partition number of the table currently being processed.|Occurs when batch operator runs out of granted memory and initiates spilling to disk of another partition of in-memory data.ID of the container deleted."Setting cardinality in RPC rowset.Source File PathThe database ID."Preparing to delete in RPC rowset.IndexId4The ID of the owning table of the columnstore index.(Locating and deleting row in RPC rowset.FUse this event to trace HADR transport messages throughout the system.,The page id for the page that was allocated.L1 cutoff sample point(Locating and updating row in RPC rowset.+Whether this replica is the seeding source.EOccurs when all IO for a master IO completes including all RBPEX IOs.Processing GetData RPC command.!Processing FetchData RPC command.7A compressed rowgroup was added to the scan collection.!Processing DeleteRow RPC command.!Processing LobAction RPC command.,The ID of the Availability Replica Database.1Telemetry for dynamic aggregate pushdown to scan.dPre-allocating new cache range for a Sequence object.See system view sys.sequences for more details.Index name. Request to transition to primary?Skip removing tombstone rowgroup as active scaner might need itPreparing GetData RPC command.$Number of samples collected thus far"Whether the range is over one row.1Total number of native shuffle buffers allocated.5The size in bytes of the rowgroup before compression.0Preparing SetRange RPC command with cached keys.(The rowset ID of the column store index.6Occurs when temporal ddl data consistency check fails.The new PageRow.-Occurs when primary has captured a log block.&Preparing PrepareToDelete RPC command.0Page ID mismatch during Foreign File validation.Failed HRESULT!Preparing GotoMarker RPC command.'Occurs when column segment scan starts.Commit Time/Indicates the number of log writes outstanding.)Number of entries in secondary dictionarySQL column type+The message corresponding to the exception.AOccurs when asynchronous seeding of covering RBPEX has completed.<Occurs when a query is exiting a wait queue for memory grant2Identifies whether the spool executes in parallel.)The current stage of online alter column.The ID of the source rowgroup.6Indicates the reason that the message is being logged.#Data type used for encoding purposeMTotal CPU time (in milliseconds) spent on placing asynchronous read requests.*Total memory granted to this thread in kb.Execution mode of the iterator.1Indicates if column is columnstore locator column,Column encoding type in column store segmentHMinimum data id value used in value based encoding of non string columns8ID of the database which this cache buffer holds log for'The file offset aligned by buffer size."The name of the availability group@Base id value used in value based encoding of non string columns+Always Encrypted Query Count for a database#Bitmap preferred memory calculation)The flags corresponding to the file data.The recovery outcome.2Threshold in CPU cycles to trigger latch promotion.Minimum dictionary id for secondary dictionaryAOccurs when HADR FileStream transport detects message corruption.average working set usageXLatest SIMD instruction set supported by column store scan that is available in hardwareUXEvent used to indicate that database is added to deferred list for Always Encrypted.<Event which fires when we're receiving new log block message$Delay time in ms if policy is delay.4Indicates if filter on compressed data has been used	cutOffL1.Database TDE Encryption Scan.Indicates if column is physical locator columnThe state of the transaction.sHADR Windows Server Failover Clustering change notifier starts receiving Availability Group specific notifications.Memory status valueDescription of current status1The holdup in bytes due to the Secondary replica.Type of file requested.)Last active transaction LSN at the backup1Occurs when memory grant is updated by feedback. 3Number of row buckets with impure values for columnIThe hobt ID of the closed delete buffer on which the flush was attempted.RValue of 1th additional CPU cycles counter used internally in row bucket processorBOccurs when HADR FileStream transport traces a file write message.RValue of 3th additional CPU cycles counter used internally in row bucket processor"The ID of the Availability ReplicaCache Threashold0Occurs when partition elimination info is built.<Indicates whether the transaction was redone using the sLog.�Occurs when a query tries to get more memory grant during execution. Failure to get this additional memory grant may cause the query slowdown.8The id of the partition on which the event is published.NOccurs when a global string dictionary is used in hash join or hash aggregate.XA lock request is being processed by the lock manager and we need to report its priority'Index of the segment in the RBPEX file.Transaction IdAID of the log consumer the log blocks are private to, 0 if sharedJNumber of sectors moved from host's log to mapping-table row by this task.OOccurs when a hashed aggregation operator is pushed down to the storage engine.�Merge Policy condition that qualified these rowgroups for MERGE. It can be either 'Removing deleted rows' or 'Merging multiple rowgroups'Query execution plan node id.9Flag indicating if the bad page was a clean or dirty pageUThe time (in microseconds) between when the lock was requested and when it timed out.0The active database id at the time of exception.6ID of the first log block in the buffer being uncached+Number of locally aggregated rows in threadIs Compression Enabled.2Remote DMV stream get_row client side call is made0Identifies whether the spool is a primary spool.<An indication as to whether or not a new thread was started.*Remote DMV stream get_row call is servicedMaximum used memory in KBBA test hook event, to report Hekaton search key data to test code.4Remote DMV stream release resources call is servicedrOccurs when column store tuple mover has acquired required locks and is ready to start truncating a delete buffer.yIdentifies the node ID of the operation that caused the sort warning. This corresponds to the Node ID in Showplan output.Locally hardened LSNIdeal memory grant size in KB#Remote DMV stream cache entry added=Prepare or commit timestamp stored in Ack/Resolve/Request Msg-Remote DMV stream blob fetch call is serviced�Occurs when a SQL Server transaction begins, completes, rolls back or executes a savepoint. Use this event to monitor transaction behavior when troubleshooting applications, triggers or stored procedures.gThe memory in KB that was requested for this columnstore build for the whole index build (all threads).$Number of pages written to worktable4The size in bytes of the rowgroup after compression.?Client call is made to fetch blob data from a remote DMV stream&Process an invalidate cache log record4The actual degree of parallelism for native shuffle.yOccurs when an attempt to acquire a lock generates a deadlock. This event is raised for each participant in the deadlock.?The IP address that the client used to initiate the connection.]The last sequence number from the target Availability Replica which we have received locally..FPGA cycles when cpu proxy finish its request.The URL for this distribution.Current Send Rate.MOccurs each time when hash join spills some data to disk in batch processing. Physical Seeding Progress Event.The type of the message.3Use this event to help trace HADR failure messages.GThe ID of the rowset of the closed delete buffer that has been flushed.?The identifier of the database that this file block belongs to.?Event which fires when we're resetting a HADR transport replica�Total elapsed time (in milliseconds) spent on creating the extractor instance for this file. Typically includes reading and initializing the whole file metadata.BOccurs when cleanup has finished for online index build with LOBs.peak % CPU rate-The compression corresponding to the segment.?This event occurs when a HADR transport session changes states.Indicates session state changesuThe percent throttle is open (e.g. DB is not throttled at 100% open throttle for automatic log management purposes.).hOccurs when the ucs connection id associated with the hadron transport replica is registered or changes.ZShows the percentage of time that the selected disk drive is busy servicing read requests.Type of message.5ID of the database which this log consumer belongs toJIndicates that a flow control action has occured for a particular replica.4The sequence number being acknowledged by secondary.Metadata cache entry flushedEIndicates the moment before the loop of sending primary replica info.7Type of the FCB to which the latency histogram belongs.=The identifier of the database that the log block belongs to.8Indicates that the correponding work has been cancelled.Record batch mode sort statuseFabric DBR Subscriber sent build replica message and waiting for response from the secondary replica.5The 'HasNulls' property corresponding to the segment..The HRESULT returned by the seeding operation. The uncompressed log block size.cBufSimulated.Previous Root File name.KIndicates the sequence number of the log block being sent to the secondary.LOccurs when asynchronous segment allocation of covering RBPEX has completed.EThe ID of the hobt of the closed delete buffer that has been flushed.#Indicates db_manager state changes.PThe throttled log generation rate in bytes per sec calculated based on log size.BThe number of pages read during the compression of the deltastore.Current DbMgr state.>Indicates if the SQL Server process is low of physical memory.$Parallel scan with IO affinity ended:The row count of the last rowgroup before the current one.Hadron Availability Group Id.7The state of the transaction that triggered this event. Hadron Availability Database Id.Instance Database id.fThe binary representation of the Unit of Work ID that uniquely identifies this transaction within DTC.Local truncation point.-Occurs at start of log recovery of XTP table.%HoBt Schema Manager column operationsRequest table id.;Failed to open the table in the blob container accessor APIHadr truncation point.#Hardened filestream recovery point.CA DDL statement was executed using the WAIT_AT_LOW_PRIORITY optionsfThe handle that can be used to obtain the plan XML from the dm_exec_query_plan dynamic management view'The ID of the log block being captured.:The number of bad pages detected in the current iteration.*The ID or the target availability replica.Establish DB message.Commit Policy Target.%Memory available for new grants in KBGOccurs periodically, aggregating all occasions an rpc call is started. Log backup lsn.8The state of the file - if it has been processed or not.Undo processing on secondary.(The actual file offset of cached buffer.CThe SQL error number if the index build encounters a runtime error.7Pre-allocating new cache range for the identity column.Llast block flushed.aThe threshold of the holdup in bytes above which the GeoDR partner will be considered for reseed.)Foreign file validation buffer IO failed.'Recovery blockid = target for log snip.8Ticks count defining the start of the reporting interval,The (UTC) time when the rowgroup was closed.Clean shutdown flag.pUse2.�Occurs when there is insufficient memory to process the build input of a hash join. This results in either a hash recursion when the build input is partitioned, or a hash bailout when the partitioning of the build input exceeds the maximum recursion level. Use this event together with any of the query_pre_execution_showplan or query_post_execution_showplan events to determine which operation in the generated plan is causing the hash warning.*Before scheduling a task into worker pool.�Occurs when a model is insert into the PREDICT function model cache. Use this event along with other predict_model_cache_* events to troubleshoot issues caused by the PREDICT function model cache.(Number of messages in the message bufferLog accept flag.UThe total size of inline LOB entries for the segment found in the primary dictionary.Shutdown hadron datadabase.&The hobt ID of the column store index.?Number of merge join operators involving a Stretch remote tableUsers allowed flag.Log write complete?Indicates whether the file size change is automatic or explicit+The number of rows in the skipped rowgroup.Redo active.KXEvent used to indicate that cross-db master transaction is being commited.SOS_Result of the action.;Total CPU time (in milliseconds) spent in WaitIoCompletion.$The LSN on the page read from RBPEX.The ID of the dictionary.Number of aggregate operatorsCThe maximum number of workers that the thread pool can have active.<Read columnstore object from an Aligned Sbs Cache succeeded.gNumber of pages to read ahead (request), number of pages that were not already in the BPool (response).WThe threshold of send queue size above which the partner will be considered for reseed.Redo stop point set#Name of the file which was deleted.Prior Hardened Log Block.!The PDW step index for telemetry.Node ID-Windows Server Failover Clustering node name.@Actual number of threads that share a native shuffle buffer set.%Elapsed time to so far in ticks = ms.WComma-separated list of numbers of count of rows sent to each destination distribution. Saved dop before any adjustment.�Occurs when the memory communication buffers for a query with multiple Parallelism operators become full, resulting in one of the operators writing to TempDB. If this happens multiple times in a single query plan the query performance is impacted. Use this event in conjunction with any of the *_showplan events to determine which operation in the generated plan is causing the exchange spill using the node_id fieldMax used memory size in KB?Transaction Commit harden result from Hadron Commit management.:Occurs when a batch mode scan is performed on deltastores.Log Block to wait for.&Foreign file validator thread exiting.1Max number of parallel workers used by this query?Write columnstore object to unaligned SBS Cache DB was skipped."HADR partner commit policy update.8Occurs when an automatic seeding operation is submitted.!Node ID of the hash join operator�Number of rows estimated by the Query Optimizer for this operator, divided by the actual degree of parallelism (number of worker threads).QCumulative number of times we did not find the entry in cache since server start.Sync state.Test Point value 1.-The type of statement that is being executed."Message destination database name.9Maximum thread read time recording in reporting interval.2Test point for failure injection in Hadr Undo Mgr.;The ID of the database file that contains the suspect page.cShows the percentage of time that the selected disk drive is busy servicing read or write requests.9Failpoint after indices on fulltext fragment are dropped.=The number of off-row compressed LOB entries for the segment.The ID of the page in the file.�The actual number of rowgroups that were compressed instead of being flushed as delta store in this thread (includes all partitions).Received page LSN.Current redo LSN.5Occurs when an automatic seeding operation times out.;Occurs when log pool receives a memory status notification.�Occurs when a fine-grain lock is converted into a coarser-grain lock, such as when a row lock is converted into an object lock. Use this event to monitor how locks are being used on the server.!Name of the file being backed up.,Auto page repair sent a page repair request.Min LSN of the requested page.(Number of pages read ahead from workfile<The state at which we currently are during a ADR allocation.Current min LSN.7The ID of the database associated with the transaction.�Reports aggregated time stats of several file operations and the extraction process around it. Distinct event per each file and each processing thread.KOccurs when HADR FileStream transport has completed processing a log block.Backup Sync message.Redo stop point clear5Specifies whether the transaction is delayed durable.KWorker thread number for parallel query plan, or zero for serial query planTime in uS waited on log flush.;Indicates that a new file was created by storage interface.)Occurs every time a log record is undone.SOS_Result of the request.+The ID of the rowgroup that is routed from.<Size of the memory buffer per output distribution, in bytes."Primary replica file list message.>The identifier of the database that this log block belongs to.-Logical name of the first file in the message/Emit latency map for each rbio async read step. Source Rowset of index in Build.OTotal number of executions that happened when memory grant feedback loop was on
Old State.Total time waited on disk.%Next expected message sequence numberRemote Physical Seeding GUID.UThis xevent is fired when the Socrates compute is about to take the database offline..HoBt Schema Manager allocation unit operations8The ID of the table associated with the identity column.!The ID of the PVS page allocated.Failure Message.=Fired by checkpoint controller thread whenever it is started.$The destination type of the message.-Physical Seeding Forwarder Side State Change.MIndicates that the hkTrimLsn on bootpage was updated while in DeleteOnlyMode.'Physical Seeding Submit Callback Event.-The (UTC) time when the rowgroup was created.+The routing primary's availability group ID#Number of submit callback attempts.GIndicates whether the modified database file is a data file or log fileEnd of log LSN on secondary .'Table for which DML transaction failed.Physical Seeding Failure Event.New XTP log truncation LSN./How many times this seeding has been attempted.QStorage Engine detected a low memory condition and the rowgroup size was reduced.Metadata cache entry addedmodel cache addressThe Availability Group ID.DEstimated memory usage for columnstore after adjustment in 8K pages..The process ID that is executing the statement?Min async write buffer count from native shuffle configuration.=The slot id of the last log sequence number that was written.&first extent id of this set of extents9Occurs when an automatic seeding operation changes state."A compressed rowgroup was created.WWhether the target Availability Replica required seeding for the Availability Database.#Is index in resumable index create.
Failure state,Indicates whether full sort was forced by TF&The mode in which the file was opened.+Thread proxy id which produce this profile.-Redo thread has entered to poll for redo work:Occurs when HADR FileStream transport creates a directory.Metadata initiate unlock object9Verbose trace for add record in persistent version store.9True if the deltastore was newly created for this insert.Reserved for internal use onlyWait operation HRESULT.(Failpoint on partial quorum lsn cleared.'Internal counter maintained by log pool9The error number value of the directory create operation.>The error message with details of message corruption detected.@Page id of the page being read from buffer pool extension cache.�Occurs when the batch operation to build a hash table encounters low memory condition and switches to row mode operation. Use this event to identify performance issues due to low memory condition.AThe identifier of the log block that this message corresponds to.Time taken to acquire a latch8Estimated dop the query will be running based on memory.Id of the foreign file.;ID of resource pool where the database is allocating pages.4Rowgroup read issued during a scan on a columnstore.=The identifier of the transaction that created the directory.The state of the exception.lA rowgroup was processed. Indicates the number of rows in the rowgroup and the reason it was trimmed if any.'The identifier of the root of the file./The size of the data to be written to the file.A delta rowgroup was closed.;Indicates whether coordinating database is in primary role.8Occurs when VLDB stamp end of log lsn after create file =Indicates the type of log operation that generated the event.SShows the rate at which bytes are transferred from the disk during read operations.)Occurs when a table or index scan starts.9Occurs when HADR FileStream transport sets end of a file.The database name.YStatistics that track the cache hit ratio per DB when DW Optimized for compute is enabledGIdentifies if the end of log LSN from the primary is requested as well.NSQL error number returned from Windows Server Failover Clustering API wrapper.Tracing RemoveFromCache callers?Resource Governor resource pool ID where this query is runnningLUnique identifier of the SQL Server object associated with the notification.HADR Availability Group ID./File id of the first page of the evicted block.LHADR is about to rollback availability group listener WSFC resource changes.cBufHashed.9WSFC dependency expression between AG and its VNN object.\Occurs once the global temporary object row is successfully persisted to the stable storage.6Could not create a hadron availability group listener.0Identifies whether the spool implements a stack.?Max async write buffer count from native shuffle configuration.�First attempt to bring a HADR Availability Group resource online failed. SQL Server will retry the operation at regular intervals.%The size of log block to be appended.#Estimated overall memory available.�SQL Server has either exhausted all retry attempts, or Windows Server Failover Cluster has accepted the command to bring a HADR Availability Group resource online.HMaximum size of memory allocated for storing deep data buffers in bytes.;RBPEX successfully added the entry for a failed remote I/O.Metadata initiate lock object#HADR Availability replica API call.!Total number of workfiles created%Total number of rows in all segments.4HADR Availability Group replica manager is starting.The source distribution id.The start state of the replica.EThe text of the Transact-SQL statement that triggered the escalation.�The TCP-IP port returned to the client in the routing response. The port is determined using the READ_ONLY_ROUTING_URL set on the destination replica.*The role of the replica before the change.%The name of the Availability Replica.MID of the log block that is the current truncation point in the shared cache.bShows the average number of bytes transferred to or from the disk during write or read operations.wShows the percentage of time that the processor is executing application or operating system processes other than Idle.@File id of the page being read from buffer pool extension cache.-Flow control sequence ack number for primary.�The maximum number of bad quality row groups that we can compress in order to minimize the reserved log. If this threshold is crossed error 35394 will be raised.)The scheduler ID which handles this queryFOccurs when the state of the Availability Replica Manager has changed.3The max number of serialized pages for the segment.2The current state of Availability Replica Manager.QIf the value is TRUE, then automatic failover will be invalidated on this replica2HADR Availability Group database replica API call.<Number of stall time smaples recorded in reporting interval.&HADR Availability Group Lease Renewal.,The wait type associated with the syncpoint.>Database page with bad memory detected by the operating system�HADR availability group mutex acquisition state (point of interest for tracing/testing) for accessing local availability group config data.�The ID of the current allocation unit that generated the log record. This field is populated based on the operation field value.>Occurs when a HADR replica controller outputs a debug message.Statement seq numNOccurs when an exception occurs during processing for a columnstore operation.CShows the rate at which write operations are performed on the disk.Total granted memory in KB/Keys used to invalidate particular cache entry.5HADR Database Replica XCluster Configuration Message.)The xcuster configuration message ballot./The Id of the thread that published the xevent.Log accept start timestamp.!The ID of the availability group.<The max effective DOP this query for columnstore build used.,Trace package receive at DbCopySession levelsWhen set to 1, collect_statement enables collection of statement. By default the statement column is not generated.$log block id which starts a new VLF.file id for the new VLF.GIndicates the number of times that the build input was sub-partitioned.)Number of row groups processed by device.0Sector count of log block being sent in message.=A detour for a rowgroup version was reset to a new timestamp.A query on HPC device failed.+Log scan generation passed in from partner.*Occurs after an lsn message has been sent.1The minimum data ID corresponding to the segment.the result for SendNofiy�Shows the combined rate of file system read requests to all devices on the computer, including requests to read from the file system cache.sWhen set to 1, collect_reserved1 enables collection of reserved1. By default the reserved1 column is not generated.OThe availability replica name of the destination (routed to) read-only replica."Virtual file id in header message.FThe rowset ID of the closed delete buffer that is about to be flushed.%Physical file name in header message.?Used to validate the native shuffle sbs read buffer operations.-Occurs when secondary sends progress message.<The ID of the database that the log record was generated in.vOccurs when a rowgroup has been cleaned up and the corresponding entry has been removed from the row group info table.!Last log block sent to secondary.UPages bypassing eviction because the I/Os oustanding is too high and spilled to disk.KThe ID of the HoBT (heap or B-tree) for which the escalation was triggered.'Foreign file validator thread starting.-LSN of log block being hardened at secondary.FThe hobt ID of the closed delete buffer that is about to be truncated.,High part of xdes id for master transaction."FileStream send rate from primary.AOccurs when a query using at least one adaptive join is executed.KThe percentage of time the processor spends in the C3 low-power idle state.%XTP safe read timestamp from primary..The hash column ordinal for shuffle movements.'The log block ID for this hardened LSN.XOccurs when SQL Server fails to store dirty entries in Query Store on database shutdown.DThe rowset ID of the closed delete buffer on which the flush failed.Mode of this event.�Occurs when the server memory usage increases or decreases by more than either 1 megabyte (MB) or 5% of the maximum server memory, whichever is larger. Use this event to identify periods of increased memory usage on the server.[The threshold of the holdup in bytes above which the partner will be considered for reseed..Did this log block actually wait on log flush?8Debugging diagnostics about the marked transaction latchRemote Availability Replica IDgOccurs when we're crafting a message to send containing a new truncation LSN on a secondary. Test only.8The session ID of the process that caused the violation.=Failed to create the table in the blob container accessor APIUndo LSN#Log operation code to be processed.Log write had to retryOldest Xact LSN�True if the read-only routing list (READ_ONLY_ROUTING_LIST) is not empty but none of the replicas in the list are available for routing (replica must allow readers and be synchronizing/synchronized)�The limit on memory in KB this columnstore build received during memory grant estimation and acquisition for a thread after last update.-Total number of rows processed by the thread.1Trace package send/receive at DbCopySession level(State of delete buffer after transition.IOccurs when asynchronous segment allocation of covering RBPEX has failed.TAn XML graph that describes the blocked process. Filtered out sensitive information."Total required memory in 8K pages..The routing primary's availability database IDOperator node identifier3Replica database name performing read-only routing.'Whether the log block is read from disk0Whether throttling is happening due to log size.?Indicates the phase of DDL operation: begin, commit or rollbackTThe number of unique inline LOB entries for the segment in the secondary dictionary.+The text of the statement that was executed1Tracking table rowset for the online index build. The id of the availability group4The database ID of the resource that is being lockedFXEvent used for testing purposes to signal a page allocation for SORT..The DOP this query for columnstore build used.The client hostname.1A rowgroup has been disabled for FPGA processing.RIf the value is FALSE, then automatic failover will be invalidated on this replica-Database global string dictionary belongs to.2The database ID of the table tha is being modified�Occurs when a database reports a fault to the availability replica manager which will trigger a replica restart if the database is critical�Shows the combined rate of file system operations that are neither read nor write operations, such as file system control requests and requests for information about device characteristics or status.GIf the value is TRUE the replica will restart and fail the health checkBFired after hk undeployment is triggered by UpdateSlo on Sterling.
simCutOff.HAmount of log hold up in bytes due to slow truncating secondary replica.VOccurs when a HADR secondary DB falls too far behind primary and is marked for reseed.;Profile FPGA pushdown aggregation's per thread performance.^Status of the data movement operation. Corresponds to status column of sys.dm_pdw_dms_workers.-The reason the replica was marked for reseed.?Query type (SELECT, INSERT, UPDATE, etc. - value from tokens.h)qThe ID of the database that generated the log record. This field is populated based on the operation field value.?The ID of the Secondary Availability Replica marked for reseed.Metadata agent lock object"The 'RowGroupId' of the row group.(Truncation LSN of the secondary partner.pReturns a set of counters associated with the System performance object. The event occurs once every 15 seconds..duration of the encryption scan in milisecondsRSuccessfully opened the SBS Files Table access needed for the Pesto Scan hot path.1Occurs when seeding is cancelled due to log full.#time when this transition happened.Parallel worker thread ID+Synchronous send failure in hadr transport.6how many times have we transitioned from last restart.+what is the reason we made this transition.HPercentage of in-memory hash-based partitions that were spilled to disk.YIndicates whether the list of filters has exceeded the size limit and has been truncated.'Restart partner scans for this partner.mShows the average number of write requests that were queued for the selected disk during the sample interval.FShows the average time, in seconds, of a read operation from the disk.UThe total size of all off-row passthrough (uncompressed) LOB entries for the segment.#The number of rows in the rowgroup.Destination ID of the message.&FPGA cycles when kernel start working.reason for send failure.Object with index in rebuild.?The slod id of the log sequence number returned by a page read.COccurs when log pool push fails to get a free buffer and bails out.1Guid of the statement on SQL FE. Used in Polaris.Occurs when a model is not found in the PREDICT function model cache. Frequent occurrences of this event could indicate that SQL Server needs more memory. Use this event along with other predict_model_cache_* events to troubleshoot issues caused by the PREDICT function model cache.-Provide reason for deny external connections. Metadata manager catalog updatedJFires when query submission for VDW distributed computation was requested.Metadata manager lock objectTraceflag status set/unset.RUsed to validate the native shuffle sbs stats metadata. Emitted during compilation!Parallel scan advances read ahead7Reports an error thrown during remote stretch operationUOccurs after deleting secondary's stack entries but before copying primary's entries.Metadata unlock object7Total number of parallel workers reserved by this query(Number of times page has been referencedTotal duration for all samplesPage file ID@Verbose trace for cache allocation for persistent version store.Count version chain traversedbReports data moved by native shuffle. Corresponds to hidden sys.dm_distributed_exchange_stats dmv.9True if this query is the candidate for next memory grant_True, if the rowgroup was compressed by a reorganize command with compress_all_row_groups = on.&Parallel scan with IO affinity started/HoBt Schema Manager Startup/Shutdown operationsSPages bypassing eviction because they are not under of LRU page replacement policy.�The total memory granted to this columnstore build, including the normal grant memory, exchange buffers, extra buffers, and misc buffers Reserved log space in bytes.YThe size in KB of transient dictionary string store pages used for the columnstore build.-Xlog reader thread wait for redo to catch up.+True if any secondary dictionary is shared.Occurs when a spool is opened.&Occurs when a disk log read is issued.Failure code from device.Storage Engine scaled down.Route events to listeners.EShows the memory estimation result during columnstore rowgroup build. Runtime dop for the whole query.SQL instance nameKShows more memory estimation information during columnstore rowgroup build.$Whether it's during parallel insert.EEstimated memory usage for columnstore before adjustment in 8K pages.The name of logical server.7The ID of the database owning the file that is modified$The amount of memory available (kb).�Shows the overall rate at which bytes are written to satisfy file system write requests to all devices on the computer, including write operations to the file system cache.9The total size of all inline LOB entries for the segment.zOccurs when new extents are allocated during index building. Use this event to indentify how extents are used by an index.The hobt ID of the deltastore.3Maximum number of callbacks that must be supported.QFlag to indicate if UndoOfRedo updated bootpage or regular checkpoint completion."The ID of the compressed rowgroup.IFired when batch mode iterators reports spilling to memory grant feedbackpOccurs when column store tuple mover has acquired required locks and is ready to start flushing a delete buffer.5The ID of the owning table of the column store index.CUsed to validate the native shuffle parameters passed into a query.LThe hobt ID of the closed delete buffer on which the truncate was attempted.Row file first row ID
Page freed'Columnstore delete buffer flush failed.,true if action should fail; false otherwise.<Indicates whether the transaction was undone using the sLog.3Occurs when X Delete Buffer Flush Lock is acquired.)Total number of bytes read synchronously.BThe transaction ID of the operation that generated the log record.2PCIe memory copy size (bytes) from host to device.1Number of rows processed by FPGA pushed down agg.0Indicates that destination file tag was cleared./Occurs when closed delete buffer state changes.The ID of the partition.#The amount of memory required (kb)./Identifies whether the spool is a hybrid spool.cNumber of rows in the source rowgroups (includes deleted rows conform sys.column_store_row_groups).Asynchronous log write startDWrite columnstore object to unaligned SBS Cache DB was unsuccessful.%Time the data movement query started.RAn expression bitmap filter was set on a rowgroup column at rowgroup compile time.ZAttempted to write a chunk of columnstore object to block blobs on index build and failed.cIdentifies whether fast comparison without calling expression services was used during aggregation.HList of Target RowGroupIds. Typically it should be one, but maximum 100.`The ID of the rowgroup. Values different then -1 indicate TM failure, or the merge was disabled.EShows the current number of bytes in the working set of this process.The secondary dictionary id.+Optional value1 associated with code point.$Metadata is preallocating object IDs:Identifies whether the spool is an index-on-the-fly spool.HRESULT of the operation.,The version corresponding to the dictionary.IA versioned scan was detoured from a newer rowgroup to an older rowgroup.5The sbs sequence number for the buffer being written.:A versioned scan is scanning a rowgroup that has a detour.2A delta rowgroup was added to the scan collection.8Total number of rows spilled to disk during aggregation.:Number of bytes moved during this data movement operation.choice2.BTotal size of data spilled temporarily to disk during aggregation.!The address of the corrupted page<A route for a rowgroup version was reset to a new timestamp.Nunique identifier of the block blob which stored this columnstore object data.State code of the failure.^Occurs when a task releases access to the flow-controlled section during insert into a B-tree.The result of the lock request.BColumnstore tiered storage scanner start a rowgroup consolidation.5Page is evicted from the buffer pool extension cache.0Locking attempt timeout counter for this insert.,The ID of the database to remove from cache.Trace flags.�Assuming that nothing is cached this is the maximum read ahead that can be issued for the current row group (equals to on disk rowgroup size). Used to increment/decrement the scan_operator_outstanding_read_ahead_in_bytes.ZShows the combined rate of read and write operations on all logical disks on the computer.�Fired at the end of bulk loads by each worker thread when there have been row groups not flushed as delta store in an attempt to minimize the reserved log space.6Ticks count defining the end of the reporting interval4Statistics about recording Block Blob ID informationPage allocated+Elapsed time to read model in microseconds.=Statistics about state transitions for tiered storage buffers$unique identifier of the sbs file id*The database file id that had the bad pageNumber of tables in the querySColumnstore Object on disk size differs from size stored in remote blob properties.{Approx amount of memory in Kb freed because of eviction due to cache flush or memory pressure during the reporting intervaldOccurs when start time of the record being inserted into history table is greater than its end time.?Occurs when asynchronous seeding of covering RBPEX has started..Table for which data consistency check failed.MElapsed time since the first row was returned to the data movement operation.#Whether the log block is read ahead;Maximum thread active time recording in reporting interval.=Emits statistics related to open/creating a Block Blob in XIO,The size of the log record that was written.stat collection start time?The resource group ID of the process that caused the violation.NThreshold at which to start evicting pages from memory to the extension cache.Error number of exception.SOccurs when migration columnstore object data to Azure block blob storage finishes.3Columnstore tiered storage migration task finishes.6Remote CS Garbage Collection Drop From Catalog XEvents1Failpoint on blocksize during backup with mirror.cMax number of threads that can share a native shuffle buffer set from native shuffle configuration.Generate a log recordbThe time when the transaction started. This field is populated based on the operation field value. Target block to redo through setRedo on a log recordtotal number of input columns.&Failpoint on a log record during redo.3The target distribution id the buffer is read from.-Fires before reserving space for a log recordIssues a write request to disk.sWhen set to 1, collect_reserved4 enables collection of reserved4. By default the reserved4 column is not generated.2Provides a description of the mirror state change.#Whether the log block is incomplete%The ID of the index that was scanned.�Occurs during an online index build process to indicate the progress of the build operation. Each stage of an online index build operation generates an event. Use this event to monitor online index builds..Flag to indicate if controller started or not.)Pointer of the corresponding cache buffer>Weight for a shared cache buffer; 0 for a private cache bufferDOccurs when an RBPEX segment has transitioned to the covering state.ID of the log consumer+The LSN on the page entry in exclusion map.Circuit ID index of the message2ID of the database which this log block belongs to*Occurs when global transaction is started.ID of the log block4New position of the cache buffer: 'H' head, 'T' tailVOccurs along with a cache buffer's reference counter being incremented or decremented.ICumulative number of times we loaded column by column since server start.�Shows the overall rate at which bytes are read to satisfy file system read requests to all devices on the computer, including read operations from the file system cache.<The id of the database to which the recovery LSN belongs to.+ID of the database which the log belongs to?Resource Governor workload group ID where this query is running;Fired after serialized recovery of a hekaton db is invoked.(Foreign redo LSN that will be persisted.HEvicted pages start at this offset in buffer pool extension paging file.Bitmap runtime traceThe ABORT_AFTER_WAIT optionDataloss number of epoch.>Shows the rate of floating emulations performed by the system.VApproximate cumulative number of times we found the entry in cache since server start.;Number of pages evicted to the buffer pool extension cache.FThe transaction ID used by all participant databases in a transaction.7Indicates that a file was deleted by storage interface.JIndicates that copy data between source and destination is about to start."The name of logical source server.Transaction seq num?The number of logical page reads that occurred during the scan.KFires when query cancelation for VDW distributed computation was requested.aProvides additional context for the log operation, such as the type of object for this operation.<An XML document that describes the Server-wide memory grantsCThe adjusted memory grant timeout in seconds due to whatever reason6Elapsed time since start of the query in milliseconds.Query cost estimate�When set to 1, collect_server_memory_grants enables collection of server_memory_grants. By default the server_memory_grants column is not generated.5The HRESULT returned by the failed seeding operation.(Node ID of the hash table build operatorBOccurs when too much non-grant memory is used in query execution. 9The ordinary number of the partition that is being built.LOccurs when a query is blocking other queries while waiting for memory grant;Number of active queries with their memory grants satisfied)Tracks the repair of stale pages in RBPEXNEmit read errors encountered by page server when handling async read requests.4Hash keys on which global string dictionary is used._Unique ID for group of events when the memory grant status is polled for all concurrent queries=ID of waiting queue if this query is waiting for memory grant0Whether or not opportunistic failover is enabledWait time in milliseconds"Compute Unit Id used by profiling.Cache Type to invalidation.lOccurs when a segment has been removed and the corresponding entry has been removed from the segments table.FThe id of the database to which the extended recovery forks belong to.-Last persisted value for the identity column.7Reason of why FPGA pushed down aggregation is not used.hShows the percentage of elapsed time that this process's threads have spent executing code in user mode.:Maximum thread stall time recording in reporting interval.>The number of bucket misses when we check if the LSN is stale.YShows the current size, in bytes, of the virtual address space that the process is using.@Whether FPGA pushed down agg is enabled, if not for what reason.hShows the combined rate at which all processors on the computer are switched from one thread to another.Destination File PathDThe number of threads in the computer at the time of data collection�Returns a set of counters associated with the Logical Disk performance object. The event occurs once every 15 seconds for each hard or fixed disk drive.bShows the rate at which bytes are transferred to or from the disk during write or read operations.eThe percentage of elapsed time that the processor spends executing threads that are not low priority.9The rate that the CPU enters the C2 low-power idle state.tIndicates whether the initial VLF Header read by the XLogIterForward was delayed until the actual iteration started.0Represents whether a processor is parked or not.Processor State Flags.\Occurs when a secondary spool is opened before primary for the first time or after a rebind.8RPC thread cache Session Context generated for shipping.=Occurs just before deleting the recovery LSN in the metadata.5Remote context is being initialized for thread cache.Stretch operation name-Occurs when buffer pool initialization fails._Fired by backup thread for every hekaton file that is included in the full/differential backup.Track resource usage and capsState of exception./Page id of the first page of the evicted block.1Total number of native shuffle buffers estimated.1The maximum data ID corresponding to the segment.&The priority state of the lock request0The stage of preallocation that has been reached,Used to report size of workpage buffer pool.wDescribes the state transition that occurred. See the comment above the method IndexDataSetSession::InsertRowInternal(),The transaction timestamp of the checkpoint.Root file watermark.Message sequence numberMIndicates whether the Hekaton checkpoint controller thread has started or not#Name of the file which was created.File ID that is being updated.MFired after hk object creation state is updated during UpdateSlo on Sterling.8Number of buckets that hold reference to entry in cache.Xlog Cached iteratorBThe number of bucket misses when we add the LSN to the bucket map.cMaximum xlog reader thread stall time waiting for redo to catch up recording in reporting interval.�This xevent is fired at most once every 5 minutes if columnstore attribute cache is being actively used. It reports the cache stats for the server.@Indicates that data copy from source to destination is complete."The MAX_DURATION option in minutesPSize of data from build side of the join that has been spilled to disk in bytes.HTracks the repair of stale pages via redoing foreign logs in Page Server-The ID of the transaction which is committed.-Indicates whether full sort was due to OFFSETTotal workfile pages created@Occurs when the resumable index has been paused for a long time."Memory spilled to workfiles in kb.'Number of tasks registered with Monitor,size of serialized model in number of bytes.BRBPEX successfully wrote a prior failed I/O back to the data file.-Max working set allowd for SQL instance in MB
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