From 4e10ef4726dc7179c02d23ec7e31f90d931b734a Mon Sep 17 00:00:00 2001 From: Michael Paquier Date: Thu, 13 Jul 2023 09:51:28 +0900 Subject: [PATCH v2 1/4] Remove quotes from second column of wait_event_names.txt These are not required, as the fields quoted are single words. --- .../activity/generate-wait_event_types.pl | 8 +- .../utils/activity/wait_event_names.txt | 490 +++++++++--------- 2 files changed, 250 insertions(+), 248 deletions(-) diff --git a/src/backend/utils/activity/generate-wait_event_types.pl b/src/backend/utils/activity/generate-wait_event_types.pl index 75cddf6fa2..2a9e341c58 100644 --- a/src/backend/utils/activity/generate-wait_event_types.pl +++ b/src/backend/utils/activity/generate-wait_event_types.pl @@ -73,7 +73,7 @@ my @lines_sorted = foreach my $line (@lines_sorted) { die "unable to parse wait_event_names.txt" - unless $line =~ /^(\w+)\t+(\w+)\t+("\w+")\t+("\w.*\.")$/; + unless $line =~ /^(\w+)\t+(\w+)\t+(\w+)\t+("\w.*\.")$/; ( my $waitclassname, my $waiteventenumname, @@ -168,7 +168,9 @@ if ($gen_code) $firstpass = 0; printf $c "\t\t case %s:\n", $wev->[0]; - printf $c "\t\t\t event_name = %s;\n\t\t\t break;\n", $wev->[1]; + # Apply quotes to the wait event name string. + printf $c "\t\t\t event_name = \"%s\";\n\t\t\t break;\n", + $wev->[1]; } printf $h "\n} $waitclass;\n\n"; @@ -221,7 +223,7 @@ elsif ($gen_docs) { printf $s " \n"; printf $s " %s\n", - substr $wev->[1], 1, -1; + $wev->[1]; printf $s " %s\n", substr $wev->[2], 1, -1; printf $s " \n"; } diff --git a/src/backend/utils/activity/wait_event_names.txt b/src/backend/utils/activity/wait_event_names.txt index 7af1a61f95..3fabad96d9 100644 --- a/src/backend/utils/activity/wait_event_names.txt +++ b/src/backend/utils/activity/wait_event_names.txt @@ -44,19 +44,19 @@ Section: ClassName - WaitEventActivity -WAIT_EVENT_ARCHIVER_MAIN "ArchiverMain" "Waiting in main loop of archiver process." -WAIT_EVENT_AUTOVACUUM_MAIN "AutoVacuumMain" "Waiting in main loop of autovacuum launcher process." -WAIT_EVENT_BGWRITER_HIBERNATE "BgWriterHibernate" "Waiting in background writer process, hibernating." -WAIT_EVENT_BGWRITER_MAIN "BgWriterMain" "Waiting in main loop of background writer process." -WAIT_EVENT_CHECKPOINTER_MAIN "CheckpointerMain" "Waiting in main loop of checkpointer process." -WAIT_EVENT_LOGICAL_APPLY_MAIN "LogicalApplyMain" "Waiting in main loop of logical replication apply process." -WAIT_EVENT_LOGICAL_LAUNCHER_MAIN "LogicalLauncherMain" "Waiting in main loop of logical replication launcher process." -WAIT_EVENT_LOGICAL_PARALLEL_APPLY_MAIN "LogicalParallelApplyMain" "Waiting in main loop of logical replication parallel apply process." -WAIT_EVENT_RECOVERY_WAL_STREAM "RecoveryWalStream" "Waiting in main loop of startup process for WAL to arrive, during streaming recovery." -WAIT_EVENT_SYSLOGGER_MAIN "SysLoggerMain" "Waiting in main loop of syslogger process." -WAIT_EVENT_WAL_RECEIVER_MAIN "WalReceiverMain" "Waiting in main loop of WAL receiver process." -WAIT_EVENT_WAL_SENDER_MAIN "WalSenderMain" "Waiting in main loop of WAL sender process." -WAIT_EVENT_WAL_WRITER_MAIN "WalWriterMain" "Waiting in main loop of WAL writer process." +WAIT_EVENT_ARCHIVER_MAIN ArchiverMain "Waiting in main loop of archiver process." +WAIT_EVENT_AUTOVACUUM_MAIN AutoVacuumMain "Waiting in main loop of autovacuum launcher process." +WAIT_EVENT_BGWRITER_HIBERNATE BgWriterHibernate "Waiting in background writer process, hibernating." +WAIT_EVENT_BGWRITER_MAIN BgWriterMain "Waiting in main loop of background writer process." +WAIT_EVENT_CHECKPOINTER_MAIN CheckpointerMain "Waiting in main loop of checkpointer process." +WAIT_EVENT_LOGICAL_APPLY_MAIN LogicalApplyMain "Waiting in main loop of logical replication apply process." +WAIT_EVENT_LOGICAL_LAUNCHER_MAIN LogicalLauncherMain "Waiting in main loop of logical replication launcher process." +WAIT_EVENT_LOGICAL_PARALLEL_APPLY_MAIN LogicalParallelApplyMain "Waiting in main loop of logical replication parallel apply process." +WAIT_EVENT_RECOVERY_WAL_STREAM RecoveryWalStream "Waiting in main loop of startup process for WAL to arrive, during streaming recovery." +WAIT_EVENT_SYSLOGGER_MAIN SysLoggerMain "Waiting in main loop of syslogger process." +WAIT_EVENT_WAL_RECEIVER_MAIN WalReceiverMain "Waiting in main loop of WAL receiver process." +WAIT_EVENT_WAL_SENDER_MAIN WalSenderMain "Waiting in main loop of WAL sender process." +WAIT_EVENT_WAL_WRITER_MAIN WalWriterMain "Waiting in main loop of WAL writer process." # @@ -69,14 +69,14 @@ WAIT_EVENT_WAL_WRITER_MAIN "WalWriterMain" "Waiting in main loop of WAL writer p Section: ClassName - WaitEventClient -WAIT_EVENT_CLIENT_READ "ClientRead" "Waiting to read data from the client." -WAIT_EVENT_CLIENT_WRITE "ClientWrite" "Waiting to write data to the client." -WAIT_EVENT_GSS_OPEN_SERVER "GSSOpenServer" "Waiting to read data from the client while establishing a GSSAPI session." -WAIT_EVENT_LIBPQWALRECEIVER_CONNECT "LibPQWalReceiverConnect" "Waiting in WAL receiver to establish connection to remote server." -WAIT_EVENT_LIBPQWALRECEIVER_RECEIVE "LibPQWalReceiverReceive" "Waiting in WAL receiver to receive data from remote server." -WAIT_EVENT_SSL_OPEN_SERVER "SSLOpenServer" "Waiting for SSL while attempting connection." -WAIT_EVENT_WAL_SENDER_WAIT_WAL "WalSenderWaitForWAL" "Waiting for WAL to be flushed in WAL sender process." -WAIT_EVENT_WAL_SENDER_WRITE_DATA "WalSenderWriteData" "Waiting for any activity when processing replies from WAL receiver in WAL sender process." +WAIT_EVENT_CLIENT_READ ClientRead "Waiting to read data from the client." +WAIT_EVENT_CLIENT_WRITE ClientWrite "Waiting to write data to the client." +WAIT_EVENT_GSS_OPEN_SERVER GSSOpenServer "Waiting to read data from the client while establishing a GSSAPI session." +WAIT_EVENT_LIBPQWALRECEIVER_CONNECT LibPQWalReceiverConnect "Waiting in WAL receiver to establish connection to remote server." +WAIT_EVENT_LIBPQWALRECEIVER_RECEIVE LibPQWalReceiverReceive "Waiting in WAL receiver to receive data from remote server." +WAIT_EVENT_SSL_OPEN_SERVER SSLOpenServer "Waiting for SSL while attempting connection." +WAIT_EVENT_WAL_SENDER_WAIT_WAL WalSenderWaitForWAL "Waiting for WAL to be flushed in WAL sender process." +WAIT_EVENT_WAL_SENDER_WRITE_DATA WalSenderWriteData "Waiting for any activity when processing replies from WAL receiver in WAL sender process." # @@ -88,59 +88,59 @@ WAIT_EVENT_WAL_SENDER_WRITE_DATA "WalSenderWriteData" "Waiting for any activity Section: ClassName - WaitEventIPC -WAIT_EVENT_APPEND_READY "AppendReady" "Waiting for subplan nodes of an Append plan node to be ready." -WAIT_EVENT_ARCHIVE_CLEANUP_COMMAND "ArchiveCleanupCommand" "Waiting for to complete." -WAIT_EVENT_ARCHIVE_COMMAND "ArchiveCommand" "Waiting for to complete." -WAIT_EVENT_BACKEND_TERMINATION "BackendTermination" "Waiting for the termination of another backend." -WAIT_EVENT_BACKUP_WAIT_WAL_ARCHIVE "BackupWaitWalArchive" "Waiting for WAL files required for a backup to be successfully archived." -WAIT_EVENT_BGWORKER_SHUTDOWN "BgWorkerShutdown" "Waiting for background worker to shut down." -WAIT_EVENT_BGWORKER_STARTUP "BgWorkerStartup" "Waiting for background worker to start up." -WAIT_EVENT_BTREE_PAGE "BtreePage" "Waiting for the page number needed to continue a parallel B-tree scan to become available." -WAIT_EVENT_BUFFER_IO "BufferIO" "Waiting for buffer I/O to complete." -WAIT_EVENT_CHECKPOINT_DONE "CheckpointDone" "Waiting for a checkpoint to complete." -WAIT_EVENT_CHECKPOINT_START "CheckpointStart" "Waiting for a checkpoint to start." -WAIT_EVENT_EXECUTE_GATHER "ExecuteGather" "Waiting for activity from a child process while executing a Gather plan node." -WAIT_EVENT_HASH_BATCH_ALLOCATE "HashBatchAllocate" "Waiting for an elected Parallel Hash participant to allocate a hash table." -WAIT_EVENT_HASH_BATCH_ELECT "HashBatchElect" "Waiting to elect a Parallel Hash participant to allocate a hash table." -WAIT_EVENT_HASH_BATCH_LOAD "HashBatchLoad" "Waiting for other Parallel Hash participants to finish loading a hash table." -WAIT_EVENT_HASH_BUILD_ALLOCATE "HashBuildAllocate" "Waiting for an elected Parallel Hash participant to allocate the initial hash table." -WAIT_EVENT_HASH_BUILD_ELECT "HashBuildElect" "Waiting to elect a Parallel Hash participant to allocate the initial hash table." -WAIT_EVENT_HASH_BUILD_HASH_INNER "HashBuildHashInner" "Waiting for other Parallel Hash participants to finish hashing the inner relation." -WAIT_EVENT_HASH_BUILD_HASH_OUTER "HashBuildHashOuter" "Waiting for other Parallel Hash participants to finish partitioning the outer relation." -WAIT_EVENT_HASH_GROW_BATCHES_DECIDE "HashGrowBatchesDecide" "Waiting to elect a Parallel Hash participant to decide on future batch growth." -WAIT_EVENT_HASH_GROW_BATCHES_ELECT "HashGrowBatchesElect" "Waiting to elect a Parallel Hash participant to allocate more batches." -WAIT_EVENT_HASH_GROW_BATCHES_FINISH "HashGrowBatchesFinish" "Waiting for an elected Parallel Hash participant to decide on future batch growth." -WAIT_EVENT_HASH_GROW_BATCHES_REALLOCATE "HashGrowBatchesReallocate" "Waiting for an elected Parallel Hash participant to allocate more batches." -WAIT_EVENT_HASH_GROW_BATCHES_REPARTITION "HashGrowBatchesRepartition" "Waiting for other Parallel Hash participants to finish repartitioning." -WAIT_EVENT_HASH_GROW_BUCKETS_ELECT "HashGrowBucketsElect" "Waiting to elect a Parallel Hash participant to allocate more buckets." -WAIT_EVENT_HASH_GROW_BUCKETS_REALLOCATE "HashGrowBucketsReallocate" "Waiting for an elected Parallel Hash participant to finish allocating more buckets." -WAIT_EVENT_HASH_GROW_BUCKETS_REINSERT "HashGrowBucketsReinsert" "Waiting for other Parallel Hash participants to finish inserting tuples into new buckets." -WAIT_EVENT_LOGICAL_APPLY_SEND_DATA "LogicalApplySendData" "Waiting for a logical replication leader apply process to send data to a parallel apply process." -WAIT_EVENT_LOGICAL_PARALLEL_APPLY_STATE_CHANGE "LogicalParallelApplyStateChange" "Waiting for a logical replication parallel apply process to change state." -WAIT_EVENT_LOGICAL_SYNC_DATA "LogicalSyncData" "Waiting for a logical replication remote server to send data for initial table synchronization." -WAIT_EVENT_LOGICAL_SYNC_STATE_CHANGE "LogicalSyncStateChange" "Waiting for a logical replication remote server to change state." -WAIT_EVENT_MQ_INTERNAL "MessageQueueInternal" "Waiting for another process to be attached to a shared message queue." -WAIT_EVENT_MQ_PUT_MESSAGE "MessageQueuePutMessage" "Waiting to write a protocol message to a shared message queue." -WAIT_EVENT_MQ_RECEIVE "MessageQueueReceive" "Waiting to receive bytes from a shared message queue." -WAIT_EVENT_MQ_SEND "MessageQueueSend" "Waiting to send bytes to a shared message queue." -WAIT_EVENT_PARALLEL_BITMAP_SCAN "ParallelBitmapScan" "Waiting for parallel bitmap scan to become initialized." -WAIT_EVENT_PARALLEL_CREATE_INDEX_SCAN "ParallelCreateIndexScan" "Waiting for parallel CREATE INDEX workers to finish heap scan." -WAIT_EVENT_PARALLEL_FINISH "ParallelFinish" "Waiting for parallel workers to finish computing." -WAIT_EVENT_PROCARRAY_GROUP_UPDATE "ProcArrayGroupUpdate" "Waiting for the group leader to clear the transaction ID at end of a parallel operation." -WAIT_EVENT_PROC_SIGNAL_BARRIER "ProcSignalBarrier" "Waiting for a barrier event to be processed by all backends." -WAIT_EVENT_PROMOTE "Promote" "Waiting for standby promotion." -WAIT_EVENT_RECOVERY_CONFLICT_SNAPSHOT "RecoveryConflictSnapshot" "Waiting for recovery conflict resolution for a vacuum cleanup." -WAIT_EVENT_RECOVERY_CONFLICT_TABLESPACE "RecoveryConflictTablespace" "Waiting for recovery conflict resolution for dropping a tablespace." -WAIT_EVENT_RECOVERY_END_COMMAND "RecoveryEndCommand" "Waiting for to complete." -WAIT_EVENT_RECOVERY_PAUSE "RecoveryPause" "Waiting for recovery to be resumed." -WAIT_EVENT_REPLICATION_ORIGIN_DROP "ReplicationOriginDrop" "Waiting for a replication origin to become inactive so it can be dropped." -WAIT_EVENT_REPLICATION_SLOT_DROP "ReplicationSlotDrop" "Waiting for a replication slot to become inactive so it can be dropped." -WAIT_EVENT_RESTORE_COMMAND "RestoreCommand" "Waiting for to complete." -WAIT_EVENT_SAFE_SNAPSHOT "SafeSnapshot" "Waiting to obtain a valid snapshot for a READ ONLY DEFERRABLE transaction." -WAIT_EVENT_SYNC_REP "SyncRep" "Waiting for confirmation from a remote server during synchronous replication. Waiting to read or update information about the state of synchronous replication." -WAIT_EVENT_WAL_RECEIVER_EXIT "WalReceiverExit" "Waiting for the WAL receiver to exit." -WAIT_EVENT_WAL_RECEIVER_WAIT_START "WalReceiverWaitStart" "Waiting for startup process to send initial data for streaming replication." -WAIT_EVENT_XACT_GROUP_UPDATE "XactGroupUpdate" "Waiting for the group leader to update transaction status at end of a parallel operation." +WAIT_EVENT_APPEND_READY AppendReady "Waiting for subplan nodes of an Append plan node to be ready." +WAIT_EVENT_ARCHIVE_CLEANUP_COMMAND ArchiveCleanupCommand "Waiting for to complete." +WAIT_EVENT_ARCHIVE_COMMAND ArchiveCommand "Waiting for to complete." +WAIT_EVENT_BACKEND_TERMINATION BackendTermination "Waiting for the termination of another backend." +WAIT_EVENT_BACKUP_WAIT_WAL_ARCHIVE BackupWaitWalArchive "Waiting for WAL files required for a backup to be successfully archived." +WAIT_EVENT_BGWORKER_SHUTDOWN BgWorkerShutdown "Waiting for background worker to shut down." +WAIT_EVENT_BGWORKER_STARTUP BgWorkerStartup "Waiting for background worker to start up." +WAIT_EVENT_BTREE_PAGE BtreePage "Waiting for the page number needed to continue a parallel B-tree scan to become available." +WAIT_EVENT_BUFFER_IO BufferIO "Waiting for buffer I/O to complete." +WAIT_EVENT_CHECKPOINT_DONE CheckpointDone "Waiting for a checkpoint to complete." +WAIT_EVENT_CHECKPOINT_START CheckpointStart "Waiting for a checkpoint to start." +WAIT_EVENT_EXECUTE_GATHER ExecuteGather "Waiting for activity from a child process while executing a Gather plan node." +WAIT_EVENT_HASH_BATCH_ALLOCATE HashBatchAllocate "Waiting for an elected Parallel Hash participant to allocate a hash table." +WAIT_EVENT_HASH_BATCH_ELECT HashBatchElect "Waiting to elect a Parallel Hash participant to allocate a hash table." +WAIT_EVENT_HASH_BATCH_LOAD HashBatchLoad "Waiting for other Parallel Hash participants to finish loading a hash table." +WAIT_EVENT_HASH_BUILD_ALLOCATE HashBuildAllocate "Waiting for an elected Parallel Hash participant to allocate the initial hash table." +WAIT_EVENT_HASH_BUILD_ELECT HashBuildElect "Waiting to elect a Parallel Hash participant to allocate the initial hash table." +WAIT_EVENT_HASH_BUILD_HASH_INNER HashBuildHashInner "Waiting for other Parallel Hash participants to finish hashing the inner relation." +WAIT_EVENT_HASH_BUILD_HASH_OUTER HashBuildHashOuter "Waiting for other Parallel Hash participants to finish partitioning the outer relation." +WAIT_EVENT_HASH_GROW_BATCHES_DECIDE HashGrowBatchesDecide "Waiting to elect a Parallel Hash participant to decide on future batch growth." +WAIT_EVENT_HASH_GROW_BATCHES_ELECT HashGrowBatchesElect "Waiting to elect a Parallel Hash participant to allocate more batches." +WAIT_EVENT_HASH_GROW_BATCHES_FINISH HashGrowBatchesFinish "Waiting for an elected Parallel Hash participant to decide on future batch growth." +WAIT_EVENT_HASH_GROW_BATCHES_REALLOCATE HashGrowBatchesReallocate "Waiting for an elected Parallel Hash participant to allocate more batches." +WAIT_EVENT_HASH_GROW_BATCHES_REPARTITION HashGrowBatchesRepartition "Waiting for other Parallel Hash participants to finish repartitioning." +WAIT_EVENT_HASH_GROW_BUCKETS_ELECT HashGrowBucketsElect "Waiting to elect a Parallel Hash participant to allocate more buckets." +WAIT_EVENT_HASH_GROW_BUCKETS_REALLOCATE HashGrowBucketsReallocate "Waiting for an elected Parallel Hash participant to finish allocating more buckets." +WAIT_EVENT_HASH_GROW_BUCKETS_REINSERT HashGrowBucketsReinsert "Waiting for other Parallel Hash participants to finish inserting tuples into new buckets." +WAIT_EVENT_LOGICAL_APPLY_SEND_DATA LogicalApplySendData "Waiting for a logical replication leader apply process to send data to a parallel apply process." +WAIT_EVENT_LOGICAL_PARALLEL_APPLY_STATE_CHANGE LogicalParallelApplyStateChange "Waiting for a logical replication parallel apply process to change state." +WAIT_EVENT_LOGICAL_SYNC_DATA LogicalSyncData "Waiting for a logical replication remote server to send data for initial table synchronization." +WAIT_EVENT_LOGICAL_SYNC_STATE_CHANGE LogicalSyncStateChange "Waiting for a logical replication remote server to change state." +WAIT_EVENT_MQ_INTERNAL MessageQueueInternal "Waiting for another process to be attached to a shared message queue." +WAIT_EVENT_MQ_PUT_MESSAGE MessageQueuePutMessage "Waiting to write a protocol message to a shared message queue." +WAIT_EVENT_MQ_RECEIVE MessageQueueReceive "Waiting to receive bytes from a shared message queue." +WAIT_EVENT_MQ_SEND MessageQueueSend "Waiting to send bytes to a shared message queue." +WAIT_EVENT_PARALLEL_BITMAP_SCAN ParallelBitmapScan "Waiting for parallel bitmap scan to become initialized." +WAIT_EVENT_PARALLEL_CREATE_INDEX_SCAN ParallelCreateIndexScan "Waiting for parallel CREATE INDEX workers to finish heap scan." +WAIT_EVENT_PARALLEL_FINISH ParallelFinish "Waiting for parallel workers to finish computing." +WAIT_EVENT_PROCARRAY_GROUP_UPDATE ProcArrayGroupUpdate "Waiting for the group leader to clear the transaction ID at end of a parallel operation." +WAIT_EVENT_PROC_SIGNAL_BARRIER ProcSignalBarrier "Waiting for a barrier event to be processed by all backends." +WAIT_EVENT_PROMOTE Promote "Waiting for standby promotion." +WAIT_EVENT_RECOVERY_CONFLICT_SNAPSHOT RecoveryConflictSnapshot "Waiting for recovery conflict resolution for a vacuum cleanup." +WAIT_EVENT_RECOVERY_CONFLICT_TABLESPACE RecoveryConflictTablespace "Waiting for recovery conflict resolution for dropping a tablespace." +WAIT_EVENT_RECOVERY_END_COMMAND RecoveryEndCommand "Waiting for to complete." +WAIT_EVENT_RECOVERY_PAUSE RecoveryPause "Waiting for recovery to be resumed." +WAIT_EVENT_REPLICATION_ORIGIN_DROP ReplicationOriginDrop "Waiting for a replication origin to become inactive so it can be dropped." +WAIT_EVENT_REPLICATION_SLOT_DROP ReplicationSlotDrop "Waiting for a replication slot to become inactive so it can be dropped." +WAIT_EVENT_RESTORE_COMMAND RestoreCommand "Waiting for to complete." +WAIT_EVENT_SAFE_SNAPSHOT SafeSnapshot "Waiting to obtain a valid snapshot for a READ ONLY DEFERRABLE transaction." +WAIT_EVENT_SYNC_REP SyncRep "Waiting for confirmation from a remote server during synchronous replication. Waiting to read or update information about the state of synchronous replication." +WAIT_EVENT_WAL_RECEIVER_EXIT WalReceiverExit "Waiting for the WAL receiver to exit." +WAIT_EVENT_WAL_RECEIVER_WAIT_START WalReceiverWaitStart "Waiting for startup process to send initial data for streaming replication." +WAIT_EVENT_XACT_GROUP_UPDATE XactGroupUpdate "Waiting for the group leader to update transaction status at end of a parallel operation." # @@ -151,15 +151,15 @@ WAIT_EVENT_XACT_GROUP_UPDATE "XactGroupUpdate" "Waiting for the group leader to Section: ClassName - WaitEventTimeout -WAIT_EVENT_BASE_BACKUP_THROTTLE "BaseBackupThrottle" "Waiting during base backup when throttling activity." -WAIT_EVENT_CHECKPOINT_WRITE_DELAY "CheckpointWriteDelay" "Waiting between writes while performing a checkpoint." -WAIT_EVENT_PG_SLEEP "PgSleep" "Waiting due to a call to pg_sleep or a sibling function." -WAIT_EVENT_RECOVERY_APPLY_DELAY "RecoveryApplyDelay" "Waiting to apply WAL during recovery because of a delay setting." -WAIT_EVENT_RECOVERY_RETRIEVE_RETRY_INTERVAL "RecoveryRetrieveRetryInterval" "Waiting during recovery when WAL data is not available from any source (pg_wal, archive or stream)." -WAIT_EVENT_REGISTER_SYNC_REQUEST "RegisterSyncRequest" "Waiting while sending synchronization requests to the checkpointer, because the request queue is full." -WAIT_EVENT_SPIN_DELAY "SpinDelay" "Waiting while acquiring a contended spinlock." -WAIT_EVENT_VACUUM_DELAY "VacuumDelay" "Waiting in a cost-based vacuum delay point." -WAIT_EVENT_VACUUM_TRUNCATE "VacuumTruncate" "Waiting to acquire an exclusive lock to truncate off any empty pages at the end of a table vacuumed." +WAIT_EVENT_BASE_BACKUP_THROTTLE BaseBackupThrottle "Waiting during base backup when throttling activity." +WAIT_EVENT_CHECKPOINT_WRITE_DELAY CheckpointWriteDelay "Waiting between writes while performing a checkpoint." +WAIT_EVENT_PG_SLEEP PgSleep "Waiting due to a call to pg_sleep or a sibling function." +WAIT_EVENT_RECOVERY_APPLY_DELAY RecoveryApplyDelay "Waiting to apply WAL during recovery because of a delay setting." +WAIT_EVENT_RECOVERY_RETRIEVE_RETRY_INTERVAL RecoveryRetrieveRetryInterval "Waiting during recovery when WAL data is not available from any source (pg_wal, archive or stream)." +WAIT_EVENT_REGISTER_SYNC_REQUEST RegisterSyncRequest "Waiting while sending synchronization requests to the checkpointer, because the request queue is full." +WAIT_EVENT_SPIN_DELAY SpinDelay "Waiting while acquiring a contended spinlock." +WAIT_EVENT_VACUUM_DELAY VacuumDelay "Waiting in a cost-based vacuum delay point." +WAIT_EVENT_VACUUM_TRUNCATE VacuumTruncate "Waiting to acquire an exclusive lock to truncate off any empty pages at the end of a table vacuumed." # @@ -170,80 +170,80 @@ WAIT_EVENT_VACUUM_TRUNCATE "VacuumTruncate" "Waiting to acquire an exclusive loc Section: ClassName - WaitEventIO -WAIT_EVENT_BASEBACKUP_READ "BaseBackupRead" "Waiting for base backup to read from a file." -WAIT_EVENT_BASEBACKUP_SYNC "BaseBackupSync" "Waiting for data written by a base backup to reach durable storage." -WAIT_EVENT_BASEBACKUP_WRITE "BaseBackupWrite" "Waiting for base backup to write to a file." -WAIT_EVENT_BUFFILE_READ "BufFileRead" "Waiting for a read from a buffered file." -WAIT_EVENT_BUFFILE_WRITE "BufFileWrite" "Waiting for a write to a buffered file." -WAIT_EVENT_BUFFILE_TRUNCATE "BufFileTruncate" "Waiting for a buffered file to be truncated." -WAIT_EVENT_CONTROL_FILE_READ "ControlFileRead" "Waiting for a read from the pg_control file." -WAIT_EVENT_CONTROL_FILE_SYNC "ControlFileSync" "Waiting for the pg_control file to reach durable storage. Waiting for an update to the pg_control file to reach durable storage." -WAIT_EVENT_CONTROL_FILE_SYNC_UPDATE "ControlFileSyncUpdate" "Waiting for an update to the pg_control file to reach durable storage." -WAIT_EVENT_CONTROL_FILE_WRITE "ControlFileWrite" "Waiting for a write to the pg_control file. Waiting for a write to update the pg_control file." -WAIT_EVENT_CONTROL_FILE_WRITE_UPDATE "ControlFileWriteUpdate" "Waiting for a write to update the pg_control file." -WAIT_EVENT_COPY_FILE_READ "CopyFileRead" "Waiting for a read during a file copy operation." -WAIT_EVENT_COPY_FILE_WRITE "CopyFileWrite" "Waiting for a write during a file copy operation." -WAIT_EVENT_DATA_FILE_EXTEND "DataFileExtend" "Waiting for a relation data file to be extended." -WAIT_EVENT_DATA_FILE_FLUSH "DataFileFlush" "Waiting for a relation data file to reach durable storage." -WAIT_EVENT_DATA_FILE_IMMEDIATE_SYNC "DataFileImmediateSync" "Waiting for an immediate synchronization of a relation data file to durable storage." -WAIT_EVENT_DATA_FILE_PREFETCH "DataFilePrefetch" "Waiting for an asynchronous prefetch from a relation data file." -WAIT_EVENT_DATA_FILE_READ "DataFileRead" "Waiting for a read from a relation data file." -WAIT_EVENT_DATA_FILE_SYNC "DataFileSync" "Waiting for changes to a relation data file to reach durable storage." -WAIT_EVENT_DATA_FILE_TRUNCATE "DataFileTruncate" "Waiting for a relation data file to be truncated." -WAIT_EVENT_DATA_FILE_WRITE "DataFileWrite" "Waiting for a write to a relation data file." -WAIT_EVENT_DSM_ALLOCATE "DSMAllocate" "Waiting for a dynamic shared memory segment to be allocated." -WAIT_EVENT_DSM_FILL_ZERO_WRITE "DSMFillZeroWrite" "Waiting to fill a dynamic shared memory backing file with zeroes." -WAIT_EVENT_LOCK_FILE_ADDTODATADIR_READ "LockFileAddToDataDirRead" "Waiting for a read while adding a line to the data directory lock file." -WAIT_EVENT_LOCK_FILE_ADDTODATADIR_SYNC "LockFileAddToDataDirSync" "Waiting for data to reach durable storage while adding a line to the data directory lock file." -WAIT_EVENT_LOCK_FILE_ADDTODATADIR_WRITE "LockFileAddToDataDirWrite" "Waiting for a write while adding a line to the data directory lock file." -WAIT_EVENT_LOCK_FILE_CREATE_READ "LockFileCreateRead" "Waiting to read while creating the data directory lock file." -WAIT_EVENT_LOCK_FILE_CREATE_SYNC "LockFileCreateSync" "Waiting for data to reach durable storage while creating the data directory lock file." -WAIT_EVENT_LOCK_FILE_CREATE_WRITE "LockFileCreateWrite" "Waiting for a write while creating the data directory lock file." -WAIT_EVENT_LOCK_FILE_RECHECKDATADIR_READ "LockFileReCheckDataDirRead" "Waiting for a read during recheck of the data directory lock file." -WAIT_EVENT_LOGICAL_REWRITE_CHECKPOINT_SYNC "LogicalRewriteCheckpointSync" "Waiting for logical rewrite mappings to reach durable storage during a checkpoint." -WAIT_EVENT_LOGICAL_REWRITE_MAPPING_SYNC "LogicalRewriteMappingSync" "Waiting for mapping data to reach durable storage during a logical rewrite." -WAIT_EVENT_LOGICAL_REWRITE_MAPPING_WRITE "LogicalRewriteMappingWrite" "Waiting for a write of mapping data during a logical rewrite." -WAIT_EVENT_LOGICAL_REWRITE_SYNC "LogicalRewriteSync" "Waiting for logical rewrite mappings to reach durable storage." -WAIT_EVENT_LOGICAL_REWRITE_TRUNCATE "LogicalRewriteTruncate" "Waiting for truncate of mapping data during a logical rewrite." -WAIT_EVENT_LOGICAL_REWRITE_WRITE "LogicalRewriteWrite" "Waiting for a write of logical rewrite mappings." -WAIT_EVENT_RELATION_MAP_READ "RelationMapRead" "Waiting for a read of the relation map file." -WAIT_EVENT_RELATION_MAP_REPLACE "RelationMapReplace" "Waiting for durable replacement of a relation map file." -WAIT_EVENT_RELATION_MAP_WRITE "RelationMapWrite" "Waiting for a write to the relation map file." -WAIT_EVENT_REORDER_BUFFER_READ "ReorderBufferRead" "Waiting for a read during reorder buffer management." -WAIT_EVENT_REORDER_BUFFER_WRITE "ReorderBufferWrite" "Waiting for a write during reorder buffer management." -WAIT_EVENT_REORDER_LOGICAL_MAPPING_READ "ReorderLogicalMappingRead" "Waiting for a read of a logical mapping during reorder buffer management." -WAIT_EVENT_REPLICATION_SLOT_READ "ReplicationSlotRead" "Waiting for a read from a replication slot control file." -WAIT_EVENT_REPLICATION_SLOT_RESTORE_SYNC "ReplicationSlotRestoreSync" "Waiting for a replication slot control file to reach durable storage while restoring it to memory." -WAIT_EVENT_REPLICATION_SLOT_SYNC "ReplicationSlotSync" "Waiting for a replication slot control file to reach durable storage." -WAIT_EVENT_REPLICATION_SLOT_WRITE "ReplicationSlotWrite" "Waiting for a write to a replication slot control file." -WAIT_EVENT_SLRU_FLUSH_SYNC "SLRUFlushSync" "Waiting for SLRU data to reach durable storage during a checkpoint or database shutdown." -WAIT_EVENT_SLRU_READ "SLRURead" "Waiting for a read of an SLRU page." -WAIT_EVENT_SLRU_SYNC "SLRUSync" "Waiting for SLRU data to reach durable storage following a page write." -WAIT_EVENT_SLRU_WRITE "SLRUWrite" "Waiting for a write of an SLRU page." -WAIT_EVENT_SNAPBUILD_READ "SnapbuildRead" "Waiting for a read of a serialized historical catalog snapshot." -WAIT_EVENT_SNAPBUILD_SYNC "SnapbuildSync" "Waiting for a serialized historical catalog snapshot to reach durable storage." -WAIT_EVENT_SNAPBUILD_WRITE "SnapbuildWrite" "Waiting for a write of a serialized historical catalog snapshot." -WAIT_EVENT_TIMELINE_HISTORY_FILE_SYNC "TimelineHistoryFileSync" "Waiting for a timeline history file received via streaming replication to reach durable storage." -WAIT_EVENT_TIMELINE_HISTORY_FILE_WRITE "TimelineHistoryFileWrite" "Waiting for a write of a timeline history file received via streaming replication." -WAIT_EVENT_TIMELINE_HISTORY_READ "TimelineHistoryRead" "Waiting for a read of a timeline history file." -WAIT_EVENT_TIMELINE_HISTORY_SYNC "TimelineHistorySync" "Waiting for a newly created timeline history file to reach durable storage." -WAIT_EVENT_TIMELINE_HISTORY_WRITE "TimelineHistoryWrite" "Waiting for a write of a newly created timeline history file." -WAIT_EVENT_TWOPHASE_FILE_READ "TwophaseFileRead" "Waiting for a read of a two phase state file." -WAIT_EVENT_TWOPHASE_FILE_SYNC "TwophaseFileSync" "Waiting for a two phase state file to reach durable storage." -WAIT_EVENT_TWOPHASE_FILE_WRITE "TwophaseFileWrite" "Waiting for a write of a two phase state file." -WAIT_EVENT_VERSION_FILE_WRITE "VersionFileWrite" "Waiting for the version file to be written while creating a database." -WAIT_EVENT_WALSENDER_TIMELINE_HISTORY_READ "WALSenderTimelineHistoryRead" "Waiting for a read from a timeline history file during a walsender timeline command." -WAIT_EVENT_WAL_BOOTSTRAP_SYNC "WALBootstrapSync" "Waiting for WAL to reach durable storage during bootstrapping." -WAIT_EVENT_WAL_BOOTSTRAP_WRITE "WALBootstrapWrite" "Waiting for a write of a WAL page during bootstrapping." -WAIT_EVENT_WAL_COPY_READ "WALCopyRead" "Waiting for a read when creating a new WAL segment by copying an existing one." -WAIT_EVENT_WAL_COPY_SYNC "WALCopySync" "Waiting for a new WAL segment created by copying an existing one to reach durable storage." -WAIT_EVENT_WAL_COPY_WRITE "WALCopyWrite" "Waiting for a write when creating a new WAL segment by copying an existing one." -WAIT_EVENT_WAL_INIT_SYNC "WALInitSync" "Waiting for a newly initialized WAL file to reach durable storage." -WAIT_EVENT_WAL_INIT_WRITE "WALInitWrite" "Waiting for a write while initializing a new WAL file." -WAIT_EVENT_WAL_READ "WALRead" "Waiting for a read from a WAL file." -WAIT_EVENT_WAL_SYNC "WALSync" "Waiting for a WAL file to reach durable storage. Waiting for data to reach durable storage while assigning a new WAL sync method." -WAIT_EVENT_WAL_SYNC_METHOD_ASSIGN "WALSyncMethodAssign" "Waiting for data to reach durable storage while assigning a new WAL sync method." -WAIT_EVENT_WAL_WRITE "WALWrite" "Waiting for a write to a WAL file. Waiting for WAL buffers to be written to disk." +WAIT_EVENT_BASEBACKUP_READ BaseBackupRead "Waiting for base backup to read from a file." +WAIT_EVENT_BASEBACKUP_SYNC BaseBackupSync "Waiting for data written by a base backup to reach durable storage." +WAIT_EVENT_BASEBACKUP_WRITE BaseBackupWrite "Waiting for base backup to write to a file." +WAIT_EVENT_BUFFILE_READ BufFileRead "Waiting for a read from a buffered file." +WAIT_EVENT_BUFFILE_WRITE BufFileWrite "Waiting for a write to a buffered file." +WAIT_EVENT_BUFFILE_TRUNCATE BufFileTruncate "Waiting for a buffered file to be truncated." +WAIT_EVENT_CONTROL_FILE_READ ControlFileRead "Waiting for a read from the pg_control file." +WAIT_EVENT_CONTROL_FILE_SYNC ControlFileSync "Waiting for the pg_control file to reach durable storage. Waiting for an update to the pg_control file to reach durable storage." +WAIT_EVENT_CONTROL_FILE_SYNC_UPDATE ControlFileSyncUpdate "Waiting for an update to the pg_control file to reach durable storage." +WAIT_EVENT_CONTROL_FILE_WRITE ControlFileWrite "Waiting for a write to the pg_control file. Waiting for a write to update the pg_control file." +WAIT_EVENT_CONTROL_FILE_WRITE_UPDATE ControlFileWriteUpdate "Waiting for a write to update the pg_control file." +WAIT_EVENT_COPY_FILE_READ CopyFileRead "Waiting for a read during a file copy operation." +WAIT_EVENT_COPY_FILE_WRITE CopyFileWrite "Waiting for a write during a file copy operation." +WAIT_EVENT_DATA_FILE_EXTEND DataFileExtend "Waiting for a relation data file to be extended." +WAIT_EVENT_DATA_FILE_FLUSH DataFileFlush "Waiting for a relation data file to reach durable storage." +WAIT_EVENT_DATA_FILE_IMMEDIATE_SYNC DataFileImmediateSync "Waiting for an immediate synchronization of a relation data file to durable storage." +WAIT_EVENT_DATA_FILE_PREFETCH DataFilePrefetch "Waiting for an asynchronous prefetch from a relation data file." +WAIT_EVENT_DATA_FILE_READ DataFileRead "Waiting for a read from a relation data file." +WAIT_EVENT_DATA_FILE_SYNC DataFileSync "Waiting for changes to a relation data file to reach durable storage." +WAIT_EVENT_DATA_FILE_TRUNCATE DataFileTruncate "Waiting for a relation data file to be truncated." +WAIT_EVENT_DATA_FILE_WRITE DataFileWrite "Waiting for a write to a relation data file." +WAIT_EVENT_DSM_ALLOCATE DSMAllocate "Waiting for a dynamic shared memory segment to be allocated." +WAIT_EVENT_DSM_FILL_ZERO_WRITE DSMFillZeroWrite "Waiting to fill a dynamic shared memory backing file with zeroes." +WAIT_EVENT_LOCK_FILE_ADDTODATADIR_READ LockFileAddToDataDirRead "Waiting for a read while adding a line to the data directory lock file." +WAIT_EVENT_LOCK_FILE_ADDTODATADIR_SYNC LockFileAddToDataDirSync "Waiting for data to reach durable storage while adding a line to the data directory lock file." +WAIT_EVENT_LOCK_FILE_ADDTODATADIR_WRITE LockFileAddToDataDirWrite "Waiting for a write while adding a line to the data directory lock file." +WAIT_EVENT_LOCK_FILE_CREATE_READ LockFileCreateRead "Waiting to read while creating the data directory lock file." +WAIT_EVENT_LOCK_FILE_CREATE_SYNC LockFileCreateSync "Waiting for data to reach durable storage while creating the data directory lock file." +WAIT_EVENT_LOCK_FILE_CREATE_WRITE LockFileCreateWrite "Waiting for a write while creating the data directory lock file." +WAIT_EVENT_LOCK_FILE_RECHECKDATADIR_READ LockFileReCheckDataDirRead "Waiting for a read during recheck of the data directory lock file." +WAIT_EVENT_LOGICAL_REWRITE_CHECKPOINT_SYNC LogicalRewriteCheckpointSync "Waiting for logical rewrite mappings to reach durable storage during a checkpoint." +WAIT_EVENT_LOGICAL_REWRITE_MAPPING_SYNC LogicalRewriteMappingSync "Waiting for mapping data to reach durable storage during a logical rewrite." +WAIT_EVENT_LOGICAL_REWRITE_MAPPING_WRITE LogicalRewriteMappingWrite "Waiting for a write of mapping data during a logical rewrite." +WAIT_EVENT_LOGICAL_REWRITE_SYNC LogicalRewriteSync "Waiting for logical rewrite mappings to reach durable storage." +WAIT_EVENT_LOGICAL_REWRITE_TRUNCATE LogicalRewriteTruncate "Waiting for truncate of mapping data during a logical rewrite." +WAIT_EVENT_LOGICAL_REWRITE_WRITE LogicalRewriteWrite "Waiting for a write of logical rewrite mappings." +WAIT_EVENT_RELATION_MAP_READ RelationMapRead "Waiting for a read of the relation map file." +WAIT_EVENT_RELATION_MAP_REPLACE RelationMapReplace "Waiting for durable replacement of a relation map file." +WAIT_EVENT_RELATION_MAP_WRITE RelationMapWrite "Waiting for a write to the relation map file." +WAIT_EVENT_REORDER_BUFFER_READ ReorderBufferRead "Waiting for a read during reorder buffer management." +WAIT_EVENT_REORDER_BUFFER_WRITE ReorderBufferWrite "Waiting for a write during reorder buffer management." +WAIT_EVENT_REORDER_LOGICAL_MAPPING_READ ReorderLogicalMappingRead "Waiting for a read of a logical mapping during reorder buffer management." +WAIT_EVENT_REPLICATION_SLOT_READ ReplicationSlotRead "Waiting for a read from a replication slot control file." +WAIT_EVENT_REPLICATION_SLOT_RESTORE_SYNC ReplicationSlotRestoreSync "Waiting for a replication slot control file to reach durable storage while restoring it to memory." +WAIT_EVENT_REPLICATION_SLOT_SYNC ReplicationSlotSync "Waiting for a replication slot control file to reach durable storage." +WAIT_EVENT_REPLICATION_SLOT_WRITE ReplicationSlotWrite "Waiting for a write to a replication slot control file." +WAIT_EVENT_SLRU_FLUSH_SYNC SLRUFlushSync "Waiting for SLRU data to reach durable storage during a checkpoint or database shutdown." +WAIT_EVENT_SLRU_READ SLRURead "Waiting for a read of an SLRU page." +WAIT_EVENT_SLRU_SYNC SLRUSync "Waiting for SLRU data to reach durable storage following a page write." +WAIT_EVENT_SLRU_WRITE SLRUWrite "Waiting for a write of an SLRU page." +WAIT_EVENT_SNAPBUILD_READ SnapbuildRead "Waiting for a read of a serialized historical catalog snapshot." +WAIT_EVENT_SNAPBUILD_SYNC SnapbuildSync "Waiting for a serialized historical catalog snapshot to reach durable storage." +WAIT_EVENT_SNAPBUILD_WRITE SnapbuildWrite "Waiting for a write of a serialized historical catalog snapshot." +WAIT_EVENT_TIMELINE_HISTORY_FILE_SYNC TimelineHistoryFileSync "Waiting for a timeline history file received via streaming replication to reach durable storage." +WAIT_EVENT_TIMELINE_HISTORY_FILE_WRITE TimelineHistoryFileWrite "Waiting for a write of a timeline history file received via streaming replication." +WAIT_EVENT_TIMELINE_HISTORY_READ TimelineHistoryRead "Waiting for a read of a timeline history file." +WAIT_EVENT_TIMELINE_HISTORY_SYNC TimelineHistorySync "Waiting for a newly created timeline history file to reach durable storage." +WAIT_EVENT_TIMELINE_HISTORY_WRITE TimelineHistoryWrite "Waiting for a write of a newly created timeline history file." +WAIT_EVENT_TWOPHASE_FILE_READ TwophaseFileRead "Waiting for a read of a two phase state file." +WAIT_EVENT_TWOPHASE_FILE_SYNC TwophaseFileSync "Waiting for a two phase state file to reach durable storage." +WAIT_EVENT_TWOPHASE_FILE_WRITE TwophaseFileWrite "Waiting for a write of a two phase state file." +WAIT_EVENT_VERSION_FILE_WRITE VersionFileWrite "Waiting for the version file to be written while creating a database." +WAIT_EVENT_WALSENDER_TIMELINE_HISTORY_READ WALSenderTimelineHistoryRead "Waiting for a read from a timeline history file during a walsender timeline command." +WAIT_EVENT_WAL_BOOTSTRAP_SYNC WALBootstrapSync "Waiting for WAL to reach durable storage during bootstrapping." +WAIT_EVENT_WAL_BOOTSTRAP_WRITE WALBootstrapWrite "Waiting for a write of a WAL page during bootstrapping." +WAIT_EVENT_WAL_COPY_READ WALCopyRead "Waiting for a read when creating a new WAL segment by copying an existing one." +WAIT_EVENT_WAL_COPY_SYNC WALCopySync "Waiting for a new WAL segment created by copying an existing one to reach durable storage." +WAIT_EVENT_WAL_COPY_WRITE WALCopyWrite "Waiting for a write when creating a new WAL segment by copying an existing one." +WAIT_EVENT_WAL_INIT_SYNC WALInitSync "Waiting for a newly initialized WAL file to reach durable storage." +WAIT_EVENT_WAL_INIT_WRITE WALInitWrite "Waiting for a write while initializing a new WAL file." +WAIT_EVENT_WAL_READ WALRead "Waiting for a read from a WAL file." +WAIT_EVENT_WAL_SYNC WALSync "Waiting for a WAL file to reach durable storage. Waiting for data to reach durable storage while assigning a new WAL sync method." +WAIT_EVENT_WAL_SYNC_METHOD_ASSIGN WALSyncMethodAssign "Waiting for data to reach durable storage while assigning a new WAL sync method." +WAIT_EVENT_WAL_WRITE WALWrite "Waiting for a write to a WAL file. Waiting for WAL buffers to be written to disk." # @@ -252,7 +252,7 @@ WAIT_EVENT_WAL_WRITE "WALWrite" "Waiting for a write to a WAL file. Waiting for Section: ClassName - WaitEventBufferPin -WAIT_EVENT_BUFFER_PIN "BufferPin" "Waiting to acquire an exclusive pin on a buffer." +WAIT_EVENT_BUFFER_PIN BufferPin "Waiting to acquire an exclusive pin on a buffer." # @@ -261,7 +261,7 @@ WAIT_EVENT_BUFFER_PIN "BufferPin" "Waiting to acquire an exclusive pin on a buff Section: ClassName - WaitEventExtension -WAIT_EVENT_EXTENSION "Extension" "Waiting in an extension." +WAIT_EVENT_EXTENSION Extension "Waiting in an extension." # # Wait events - LWLock @@ -272,81 +272,81 @@ WAIT_EVENT_EXTENSION "Extension" "Waiting in an extension." Section: ClassName - WaitEventLWLock -WAIT_EVENT_DOCONLY "ShmemIndex" "Waiting to find or allocate space in shared memory." -WAIT_EVENT_DOCONLY "OidGen" "Waiting to allocate a new OID." -WAIT_EVENT_DOCONLY "XidGen" "Waiting to allocate a new transaction ID." -WAIT_EVENT_DOCONLY "ProcArray" "Waiting to access the shared per-process data structures (typically, to get a snapshot or report a session's transaction ID)." -WAIT_EVENT_DOCONLY "SInvalRead" "Waiting to retrieve messages from the shared catalog invalidation queue." -WAIT_EVENT_DOCONLY "SInvalWrite" "Waiting to add a message to the shared catalog invalidation queue." -WAIT_EVENT_DOCONLY "WALBufMapping" "Waiting to replace a page in WAL buffers." -WAIT_EVENT_DOCONLY "WALWrite" "Waiting for WAL buffers to be written to disk." -WAIT_EVENT_DOCONLY "ControlFile" "Waiting to read or update the pg_control file or create a new WAL file." -WAIT_EVENT_DOCONLY "XactSLRU" "Waiting to access the transaction status SLRU cache." -WAIT_EVENT_DOCONLY "SubtransSLRU" "Waiting to access the sub-transaction SLRU cache." -WAIT_EVENT_DOCONLY "MultiXactGen" "Waiting to read or update shared multixact state." -WAIT_EVENT_DOCONLY "MultiXactOffsetSLRU" "Waiting to access the multixact offset SLRU cache." -WAIT_EVENT_DOCONLY "MultiXactMemberSLRU" "Waiting to access the multixact member SLRU cache." -WAIT_EVENT_DOCONLY "RelCacheInit" "Waiting to read or update a pg_internal.init relation cache initialization file." -WAIT_EVENT_DOCONLY "CheckpointerComm" "Waiting to manage fsync requests." -WAIT_EVENT_DOCONLY "TwoPhaseState" "Waiting to read or update the state of prepared transactions." -WAIT_EVENT_DOCONLY "TablespaceCreate" "Waiting to create or drop a tablespace." -WAIT_EVENT_DOCONLY "BtreeVacuum" "Waiting to read or update vacuum-related information for a B-tree index." -WAIT_EVENT_DOCONLY "AddinShmemInit" "Waiting to manage an extension's space allocation in shared memory." -WAIT_EVENT_DOCONLY "Autovacuum" "Waiting to read or update the current state of autovacuum workers." -WAIT_EVENT_DOCONLY "AutovacuumSchedule" "Waiting to ensure that a table selected for autovacuum still needs vacuuming." -WAIT_EVENT_DOCONLY "SyncScan" "Waiting to select the starting location of a synchronized table scan." -WAIT_EVENT_DOCONLY "RelationMapping" "Waiting to read or update a pg_filenode.map file (used to track the filenode assignments of certain system catalogs)." -WAIT_EVENT_DOCONLY "NotifySLRU" "Waiting to access the NOTIFY message SLRU cache." -WAIT_EVENT_DOCONLY "NotifyQueue" "Waiting to read or update NOTIFY messages." -WAIT_EVENT_DOCONLY "SerializableXactHash" "Waiting to read or update information about serializable transactions." -WAIT_EVENT_DOCONLY "SerializableFinishedList" "Waiting to access the list of finished serializable transactions." -WAIT_EVENT_DOCONLY "SerializablePredicateList" "Waiting to access the list of predicate locks held by serializable transactions." -WAIT_EVENT_DOCONLY "SerialSLRU" "Waiting to access the serializable transaction conflict SLRU cache." -WAIT_EVENT_DOCONLY "SyncRep" "Waiting to read or update information about the state of synchronous replication." -WAIT_EVENT_DOCONLY "BackgroundWorker" "Waiting to read or update background worker state." -WAIT_EVENT_DOCONLY "DynamicSharedMemoryControl" "Waiting to read or update dynamic shared memory allocation information." -WAIT_EVENT_DOCONLY "AutoFile" "Waiting to update the postgresql.auto.conf file." -WAIT_EVENT_DOCONLY "ReplicationSlotAllocation" "Waiting to allocate or free a replication slot." -WAIT_EVENT_DOCONLY "ReplicationSlotControl" "Waiting to read or update replication slot state." -WAIT_EVENT_DOCONLY "CommitTsSLRU" "Waiting to access the commit timestamp SLRU cache." -WAIT_EVENT_DOCONLY "CommitTs" "Waiting to read or update the last value set for a transaction commit timestamp." -WAIT_EVENT_DOCONLY "ReplicationOrigin" "Waiting to create, drop or use a replication origin." -WAIT_EVENT_DOCONLY "MultiXactTruncation" "Waiting to read or truncate multixact information." -WAIT_EVENT_DOCONLY "OldSnapshotTimeMap" "Waiting to read or update old snapshot control information." -WAIT_EVENT_DOCONLY "LogicalRepWorker" "Waiting to read or update the state of logical replication workers." -WAIT_EVENT_DOCONLY "XactTruncation" "Waiting to execute pg_xact_status or update the oldest transaction ID available to it." -WAIT_EVENT_DOCONLY "WrapLimitsVacuum" "Waiting to update limits on transaction id and multixact consumption." -WAIT_EVENT_DOCONLY "NotifyQueueTail" "Waiting to update limit on NOTIFY message storage." +WAIT_EVENT_DOCONLY ShmemIndex "Waiting to find or allocate space in shared memory." +WAIT_EVENT_DOCONLY OidGen "Waiting to allocate a new OID." +WAIT_EVENT_DOCONLY XidGen "Waiting to allocate a new transaction ID." +WAIT_EVENT_DOCONLY ProcArray "Waiting to access the shared per-process data structures (typically, to get a snapshot or report a session's transaction ID)." +WAIT_EVENT_DOCONLY SInvalRead "Waiting to retrieve messages from the shared catalog invalidation queue." +WAIT_EVENT_DOCONLY SInvalWrite "Waiting to add a message to the shared catalog invalidation queue." +WAIT_EVENT_DOCONLY WALBufMapping "Waiting to replace a page in WAL buffers." +WAIT_EVENT_DOCONLY WALWrite "Waiting for WAL buffers to be written to disk." +WAIT_EVENT_DOCONLY ControlFile "Waiting to read or update the pg_control file or create a new WAL file." +WAIT_EVENT_DOCONLY XactSLRU "Waiting to access the transaction status SLRU cache." +WAIT_EVENT_DOCONLY SubtransSLRU "Waiting to access the sub-transaction SLRU cache." +WAIT_EVENT_DOCONLY MultiXactGen "Waiting to read or update shared multixact state." +WAIT_EVENT_DOCONLY MultiXactOffsetSLRU "Waiting to access the multixact offset SLRU cache." +WAIT_EVENT_DOCONLY MultiXactMemberSLRU "Waiting to access the multixact member SLRU cache." +WAIT_EVENT_DOCONLY RelCacheInit "Waiting to read or update a pg_internal.init relation cache initialization file." +WAIT_EVENT_DOCONLY CheckpointerComm "Waiting to manage fsync requests." +WAIT_EVENT_DOCONLY TwoPhaseState "Waiting to read or update the state of prepared transactions." +WAIT_EVENT_DOCONLY TablespaceCreate "Waiting to create or drop a tablespace." +WAIT_EVENT_DOCONLY BtreeVacuum "Waiting to read or update vacuum-related information for a B-tree index." +WAIT_EVENT_DOCONLY AddinShmemInit "Waiting to manage an extension's space allocation in shared memory." +WAIT_EVENT_DOCONLY Autovacuum "Waiting to read or update the current state of autovacuum workers." +WAIT_EVENT_DOCONLY AutovacuumSchedule "Waiting to ensure that a table selected for autovacuum still needs vacuuming." +WAIT_EVENT_DOCONLY SyncScan "Waiting to select the starting location of a synchronized table scan." +WAIT_EVENT_DOCONLY RelationMapping "Waiting to read or update a pg_filenode.map file (used to track the filenode assignments of certain system catalogs)." +WAIT_EVENT_DOCONLY NotifySLRU "Waiting to access the NOTIFY message SLRU cache." +WAIT_EVENT_DOCONLY NotifyQueue "Waiting to read or update NOTIFY messages." +WAIT_EVENT_DOCONLY SerializableXactHash "Waiting to read or update information about serializable transactions." +WAIT_EVENT_DOCONLY SerializableFinishedList "Waiting to access the list of finished serializable transactions." +WAIT_EVENT_DOCONLY SerializablePredicateList "Waiting to access the list of predicate locks held by serializable transactions." +WAIT_EVENT_DOCONLY SerialSLRU "Waiting to access the serializable transaction conflict SLRU cache." +WAIT_EVENT_DOCONLY SyncRep "Waiting to read or update information about the state of synchronous replication." +WAIT_EVENT_DOCONLY BackgroundWorker "Waiting to read or update background worker state." +WAIT_EVENT_DOCONLY DynamicSharedMemoryControl "Waiting to read or update dynamic shared memory allocation information." +WAIT_EVENT_DOCONLY AutoFile "Waiting to update the postgresql.auto.conf file." +WAIT_EVENT_DOCONLY ReplicationSlotAllocation "Waiting to allocate or free a replication slot." +WAIT_EVENT_DOCONLY ReplicationSlotControl "Waiting to read or update replication slot state." +WAIT_EVENT_DOCONLY CommitTsSLRU "Waiting to access the commit timestamp SLRU cache." +WAIT_EVENT_DOCONLY CommitTs "Waiting to read or update the last value set for a transaction commit timestamp." +WAIT_EVENT_DOCONLY ReplicationOrigin "Waiting to create, drop or use a replication origin." +WAIT_EVENT_DOCONLY MultiXactTruncation "Waiting to read or truncate multixact information." +WAIT_EVENT_DOCONLY OldSnapshotTimeMap "Waiting to read or update old snapshot control information." +WAIT_EVENT_DOCONLY LogicalRepWorker "Waiting to read or update the state of logical replication workers." +WAIT_EVENT_DOCONLY XactTruncation "Waiting to execute pg_xact_status or update the oldest transaction ID available to it." +WAIT_EVENT_DOCONLY WrapLimitsVacuum "Waiting to update limits on transaction id and multixact consumption." +WAIT_EVENT_DOCONLY NotifyQueueTail "Waiting to update limit on NOTIFY message storage." -WAIT_EVENT_DOCONLY "XactBuffer" "Waiting for I/O on a transaction status SLRU buffer." -WAIT_EVENT_DOCONLY "CommitTsBuffer" "Waiting for I/O on a commit timestamp SLRU buffer." -WAIT_EVENT_DOCONLY "SubtransBuffer" "Waiting for I/O on a sub-transaction SLRU buffer." -WAIT_EVENT_DOCONLY "MultiXactOffsetBuffer" "Waiting for I/O on a multixact offset SLRU buffer." -WAIT_EVENT_DOCONLY "MultiXactMemberBuffer" "Waiting for I/O on a multixact member SLRU buffer." -WAIT_EVENT_DOCONLY "NotifyBuffer" "Waiting for I/O on a NOTIFY message SLRU buffer." -WAIT_EVENT_DOCONLY "SerialBuffer" "Waiting for I/O on a serializable transaction conflict SLRU buffer." -WAIT_EVENT_DOCONLY "WALInsert" "Waiting to insert WAL data into a memory buffer." -WAIT_EVENT_DOCONLY "BufferContent" "Waiting to access a data page in memory." -WAIT_EVENT_DOCONLY "ReplicationOriginState" "Waiting to read or update the progress of one replication origin." -WAIT_EVENT_DOCONLY "ReplicationSlotIO" "Waiting for I/O on a replication slot." -WAIT_EVENT_DOCONLY "LockFastPath" "Waiting to read or update a process' fast-path lock information." -WAIT_EVENT_DOCONLY "BufferMapping" "Waiting to associate a data block with a buffer in the buffer pool." -WAIT_EVENT_DOCONLY "LockManager" "Waiting to read or update information about heavyweight locks." -WAIT_EVENT_DOCONLY "PredicateLockManager" "Waiting to access predicate lock information used by serializable transactions." -WAIT_EVENT_DOCONLY "ParallelHashJoin" "Waiting to synchronize workers during Parallel Hash Join plan execution." -WAIT_EVENT_DOCONLY "ParallelQueryDSA" "Waiting for parallel query dynamic shared memory allocation." -WAIT_EVENT_DOCONLY "PerSessionDSA" "Waiting for parallel query dynamic shared memory allocation." -WAIT_EVENT_DOCONLY "PerSessionRecordType" "Waiting to access a parallel query's information about composite types." -WAIT_EVENT_DOCONLY "PerSessionRecordTypmod" "Waiting to access a parallel query's information about type modifiers that identify anonymous record types." -WAIT_EVENT_DOCONLY "SharedTupleStore" "Waiting to access a shared tuple store during parallel query." -WAIT_EVENT_DOCONLY "SharedTidBitmap" "Waiting to access a shared TID bitmap during a parallel bitmap index scan." -WAIT_EVENT_DOCONLY "ParallelAppend" "Waiting to choose the next subplan during Parallel Append plan execution." -WAIT_EVENT_DOCONLY "PerXactPredicateList" "Waiting to access the list of predicate locks held by the current serializable transaction during a parallel query." -WAIT_EVENT_DOCONLY "PgStatsDSA" "Waiting for stats dynamic shared memory allocator access." -WAIT_EVENT_DOCONLY "PgStatsHash" "Waiting for stats shared memory hash table access." -WAIT_EVENT_DOCONLY "PgStatsData" "Waiting for shared memory stats data access." -WAIT_EVENT_DOCONLY "LogicalRepLauncherDSA" "Waiting to access logical replication launcher's dynamic shared memory allocator." -WAIT_EVENT_DOCONLY "LogicalRepLauncherHash" "Waiting to access logical replication launcher's shared hash table." +WAIT_EVENT_DOCONLY XactBuffer "Waiting for I/O on a transaction status SLRU buffer." +WAIT_EVENT_DOCONLY CommitTsBuffer "Waiting for I/O on a commit timestamp SLRU buffer." +WAIT_EVENT_DOCONLY SubtransBuffer "Waiting for I/O on a sub-transaction SLRU buffer." +WAIT_EVENT_DOCONLY MultiXactOffsetBuffer "Waiting for I/O on a multixact offset SLRU buffer." +WAIT_EVENT_DOCONLY MultiXactMemberBuffer "Waiting for I/O on a multixact member SLRU buffer." +WAIT_EVENT_DOCONLY NotifyBuffer "Waiting for I/O on a NOTIFY message SLRU buffer." +WAIT_EVENT_DOCONLY SerialBuffer "Waiting for I/O on a serializable transaction conflict SLRU buffer." +WAIT_EVENT_DOCONLY WALInsert "Waiting to insert WAL data into a memory buffer." +WAIT_EVENT_DOCONLY BufferContent "Waiting to access a data page in memory." +WAIT_EVENT_DOCONLY ReplicationOriginState "Waiting to read or update the progress of one replication origin." +WAIT_EVENT_DOCONLY ReplicationSlotIO "Waiting for I/O on a replication slot." +WAIT_EVENT_DOCONLY LockFastPath "Waiting to read or update a process' fast-path lock information." +WAIT_EVENT_DOCONLY BufferMapping "Waiting to associate a data block with a buffer in the buffer pool." +WAIT_EVENT_DOCONLY LockManager "Waiting to read or update information about heavyweight locks." +WAIT_EVENT_DOCONLY PredicateLockManager "Waiting to access predicate lock information used by serializable transactions." +WAIT_EVENT_DOCONLY ParallelHashJoin "Waiting to synchronize workers during Parallel Hash Join plan execution." +WAIT_EVENT_DOCONLY ParallelQueryDSA "Waiting for parallel query dynamic shared memory allocation." +WAIT_EVENT_DOCONLY PerSessionDSA "Waiting for parallel query dynamic shared memory allocation." +WAIT_EVENT_DOCONLY PerSessionRecordType "Waiting to access a parallel query's information about composite types." +WAIT_EVENT_DOCONLY PerSessionRecordTypmod "Waiting to access a parallel query's information about type modifiers that identify anonymous record types." +WAIT_EVENT_DOCONLY SharedTupleStore "Waiting to access a shared tuple store during parallel query." +WAIT_EVENT_DOCONLY SharedTidBitmap "Waiting to access a shared TID bitmap during a parallel bitmap index scan." +WAIT_EVENT_DOCONLY ParallelAppend "Waiting to choose the next subplan during Parallel Append plan execution." +WAIT_EVENT_DOCONLY PerXactPredicateList "Waiting to access the list of predicate locks held by the current serializable transaction during a parallel query." +WAIT_EVENT_DOCONLY PgStatsDSA "Waiting for stats dynamic shared memory allocator access." +WAIT_EVENT_DOCONLY PgStatsHash "Waiting for stats shared memory hash table access." +WAIT_EVENT_DOCONLY PgStatsData "Waiting for shared memory stats data access." +WAIT_EVENT_DOCONLY LogicalRepLauncherDSA "Waiting to access logical replication launcher's dynamic shared memory allocator." +WAIT_EVENT_DOCONLY LogicalRepLauncherHash "Waiting to access logical replication launcher's shared hash table." # # Wait even - Lock @@ -357,15 +357,15 @@ WAIT_EVENT_DOCONLY "LogicalRepLauncherHash" "Waiting to access logical replicati Section: ClassName - WaitEventLock -WAIT_EVENT_DOCONLY "relation" "Waiting to acquire a lock on a relation." -WAIT_EVENT_DOCONLY "extend" "Waiting to extend a relation." -WAIT_EVENT_DOCONLY "frozenid" "Waiting to update pg_database.datfrozenxid and pg_database.datminmxid." -WAIT_EVENT_DOCONLY "page" "Waiting to acquire a lock on a page of a relation." -WAIT_EVENT_DOCONLY "tuple" "Waiting to acquire a lock on a tuple." -WAIT_EVENT_DOCONLY "transactionid" "Waiting for a transaction to finish." -WAIT_EVENT_DOCONLY "virtualxid" "Waiting to acquire a virtual transaction ID lock; see ." -WAIT_EVENT_DOCONLY "spectoken" "Waiting to acquire a speculative insertion lock." -WAIT_EVENT_DOCONLY "object" "Waiting to acquire a lock on a non-relation database object." -WAIT_EVENT_DOCONLY "userlock" "Waiting to acquire a user lock." -WAIT_EVENT_DOCONLY "advisory" "Waiting to acquire an advisory user lock." -WAIT_EVENT_DOCONLY "applytransaction" "Waiting to acquire a lock on a remote transaction being applied by a logical replication subscriber." +WAIT_EVENT_DOCONLY relation "Waiting to acquire a lock on a relation." +WAIT_EVENT_DOCONLY extend "Waiting to extend a relation." +WAIT_EVENT_DOCONLY frozenid "Waiting to update pg_database.datfrozenxid and pg_database.datminmxid." +WAIT_EVENT_DOCONLY page "Waiting to acquire a lock on a page of a relation." +WAIT_EVENT_DOCONLY tuple "Waiting to acquire a lock on a tuple." +WAIT_EVENT_DOCONLY transactionid "Waiting for a transaction to finish." +WAIT_EVENT_DOCONLY virtualxid "Waiting to acquire a virtual transaction ID lock; see ." +WAIT_EVENT_DOCONLY spectoken "Waiting to acquire a speculative insertion lock." +WAIT_EVENT_DOCONLY object "Waiting to acquire a lock on a non-relation database object." +WAIT_EVENT_DOCONLY userlock "Waiting to acquire a user lock." +WAIT_EVENT_DOCONLY advisory "Waiting to acquire an advisory user lock." +WAIT_EVENT_DOCONLY applytransaction "Waiting to acquire a lock on a remote transaction being applied by a logical replication subscriber." -- 2.40.1