break;

(void)WaitLatch(MyLatch,WL_LATCH_SET |WL_EXIT_ON_PM_DEATH,0,

WAIT_EVENT_MQ_PUT_MESSAGE);

WAIT_EVENT_MESSAGE_QUEUE_PUT_MESSAGE);

ResetLatch(MyLatch);

CHECK_FOR_INTERRUPTS();

}

if (pq_is_send_pending())

wakeEvents |=WL_SOCKET_WRITEABLE;

WalSndWait(wakeEvents,sleeptime,WAIT_EVENT_WAL_SENDER_WAIT_WAL);

WalSndWait(wakeEvents,sleeptime,WAIT_EVENT_WAL_SENDER_WAIT_FOR_WAL);

}

(void)WaitLatch(MyLatch,WL_LATCH_SET |WL_EXIT_ON_PM_DEATH,0,

WAIT_EVENT_MQ_SEND);

WAIT_EVENT_MESSAGE_QUEUE_SEND);

ResetLatch(MyLatch);

(void)WaitLatch(MyLatch,WL_LATCH_SET |WL_EXIT_ON_PM_DEATH,0,

WAIT_EVENT_MQ_RECEIVE);

WAIT_EVENT_MESSAGE_QUEUE_RECEIVE);

ResetLatch(MyLatch);

(void)WaitLatch(MyLatch,WL_LATCH_SET |WL_EXIT_ON_PM_DEATH,0,

WAIT_EVENT_MQ_INTERNAL);

WAIT_EVENT_MESSAGE_QUEUE_INTERNAL);

ResetLatch(MyLatch);

Section: ClassName - WaitEventActivity

WAIT_EVENT_ARCHIVER_MAINArchiverMain"Waiting in main loop of archiver process."

WAIT_EVENT_AUTOVACUUM_MAINAutoVacuumMain"Waiting in main loop of autovacuum launcher process."

WAIT_EVENT_BGWRITER_HIBERNATEBgWriterHibernate"Waiting in background writer process, hibernating."

WAIT_EVENT_BGWRITER_MAINBgWriterMain"Waiting in main loop of background writer process."

WAIT_EVENT_AUTOVACUUM_MAINAutovacuumMain"Waiting in main loop of autovacuum launcher process."

WAIT_EVENT_BGWRITER_HIBERNATEBgwriterHibernate"Waiting in background writer process, hibernating."

WAIT_EVENT_BGWRITER_MAINBgwriterMain"Waiting in main loop of background writer process."

WAIT_EVENT_CHECKPOINTER_MAINCheckpointerMain"Waiting in main loop of checkpointer process."

WAIT_EVENT_LOGICAL_APPLY_MAINLogicalApplyMain"Waiting in main loop of logical replication apply process."

WAIT_EVENT_LOGICAL_LAUNCHER_MAINLogicalLauncherMain"Waiting in main loop of logical replication launcher process."

WAIT_EVENT_LOGICAL_PARALLEL_APPLY_MAINLogicalParallelApplyMain"Waiting in main loop of logical replication parallel apply process."

WAIT_EVENT_RECOVERY_WAL_STREAMRecoveryWalStream"Waiting in main loop of startup process for WAL to arrive, during streaming recovery."

WAIT_EVENT_SYSLOGGER_MAINSysLoggerMain"Waiting in main loop of syslogger process."

WAIT_EVENT_SYSLOGGER_MAINSysloggerMain"Waiting in main loop of syslogger process."

WAIT_EVENT_WAL_RECEIVER_MAINWalReceiverMain"Waiting in main loop of WAL receiver process."

WAIT_EVENT_WAL_SENDER_MAINWalSenderMain"Waiting in main loop of WAL sender process."

WAIT_EVENT_WAL_WRITER_MAINWalWriterMain"Waiting in main loop of WAL writer process."

WAIT_EVENT_CLIENT_READClientRead"Waiting to read data from the client."

WAIT_EVENT_CLIENT_WRITEClientWrite"Waiting to write data to the client."

WAIT_EVENT_GSS_OPEN_SERVERGSSOpenServer"Waiting to read data from the client while establishing a GSSAPI session."

WAIT_EVENT_LIBPQWALRECEIVER_CONNECTLibPQWalReceiverConnect"Waiting in WAL receiver to establish connection to remote server."

WAIT_EVENT_LIBPQWALRECEIVER_RECEIVELibPQWalReceiverReceive"Waiting in WAL receiver to receive data from remote server."

WAIT_EVENT_SSL_OPEN_SERVERSSLOpenServer"Waiting for SSL while attempting connection."

WAIT_EVENT_WAL_SENDER_WAIT_WALWalSenderWaitForWAL"Waiting for WAL to be flushed in WAL sender process."

WAIT_EVENT_GSS_OPEN_SERVERGssOpenServer"Waiting to read data from the client while establishing a GSSAPI session."

WAIT_EVENT_LIBPQWALRECEIVER_CONNECTLibpqwalreceiverConnect"Waiting in WAL receiver to establish connection to remote server."

WAIT_EVENT_LIBPQWALRECEIVER_RECEIVELibpqwalreceiverReceive"Waiting in WAL receiver to receive data from remote server."

WAIT_EVENT_SSL_OPEN_SERVERSslOpenServer"Waiting for SSL while attempting connection."

WAIT_EVENT_WAL_SENDER_WAIT_FOR_WALWalSenderWaitForWal"Waiting for WAL to be flushed in WAL sender process."

WAIT_EVENT_WAL_SENDER_WRITE_DATAWalSenderWriteData"Waiting for any activity when processing replies from WAL receiver in WAL sender process."

WAIT_EVENT_ARCHIVE_COMMANDArchiveCommand"Waiting for <xref linkend="guc-archive-command"/> to complete."

WAIT_EVENT_BACKEND_TERMINATIONBackendTermination"Waiting for the termination of another backend."

WAIT_EVENT_BACKUP_WAIT_WAL_ARCHIVEBackupWaitWalArchive"Waiting for WAL files required for a backup to be successfully archived."

WAIT_EVENT_BGWORKER_SHUTDOWNBgWorkerShutdown"Waiting for background worker to shut down."

WAIT_EVENT_BGWORKER_STARTUPBgWorkerStartup"Waiting for background worker to start up."

WAIT_EVENT_BGWORKER_SHUTDOWNBgworkerShutdown"Waiting for background worker to shut down."

WAIT_EVENT_BGWORKER_STARTUPBgworkerStartup"Waiting for background worker to start up."

WAIT_EVENT_BTREE_PAGEBtreePage"Waiting for the page number needed to continue a parallel B-tree scan to become available."

WAIT_EVENT_BUFFER_IOBufferIO"Waiting for buffer I/O to complete."

WAIT_EVENT_BUFFER_IOBufferIo"Waiting for buffer I/O to complete."

WAIT_EVENT_CHECKPOINT_DONECheckpointDone"Waiting for a checkpoint to complete."

WAIT_EVENT_CHECKPOINT_STARTCheckpointStart"Waiting for a checkpoint to start."

WAIT_EVENT_EXECUTE_GATHERExecuteGather"Waiting for activity from a child process while executing a <literal>Gather</literal> plan node."

WAIT_EVENT_LOGICAL_PARALLEL_APPLY_STATE_CHANGELogicalParallelApplyStateChange"Waiting for a logical replication parallel apply process to change state."

WAIT_EVENT_LOGICAL_SYNC_DATALogicalSyncData"Waiting for a logical replication remote server to send data for initial table synchronization."

WAIT_EVENT_LOGICAL_SYNC_STATE_CHANGELogicalSyncStateChange"Waiting for a logical replication remote server to change state."

WAIT_EVENT_MQ_INTERNALMessageQueueInternal"Waiting for another process to be attached to a shared message queue."

WAIT_EVENT_MQ_PUT_MESSAGEMessageQueuePutMessage"Waiting to write a protocol message to a shared message queue."

WAIT_EVENT_MQ_RECEIVEMessageQueueReceive"Waiting to receive bytes from a shared message queue."

WAIT_EVENT_MQ_SENDMessageQueueSend"Waiting to send bytes to a shared message queue."

WAIT_EVENT_MESSAGE_QUEUE_INTERNALMessageQueueInternal"Waiting for another process to be attached to a shared message queue."

WAIT_EVENT_MESSAGE_QUEUE_PUT_MESSAGEMessageQueuePutMessage"Waiting to write a protocol message to a shared message queue."

WAIT_EVENT_MESSAGE_QUEUE_RECEIVEMessageQueueReceive"Waiting to receive bytes from a shared message queue."

WAIT_EVENT_MESSAGE_QUEUE_SENDMessageQueueSend"Waiting to send bytes to a shared message queue."

WAIT_EVENT_PARALLEL_BITMAP_SCANParallelBitmapScan"Waiting for parallel bitmap scan to become initialized."

WAIT_EVENT_PARALLEL_CREATE_INDEX_SCANParallelCreateIndexScan"Waiting for parallel <command>CREATE INDEX</command> workers to finish heap scan."

WAIT_EVENT_PARALLEL_FINISHParallelFinish"Waiting for parallel workers to finish computing."

WAIT_EVENT_PROCARRAY_GROUP_UPDATEProcArrayGroupUpdate"Waiting for the group leader to clear the transaction ID at end of a parallel operation."

WAIT_EVENT_PROCARRAY_GROUP_UPDATEProcarrayGroupUpdate"Waiting for the group leader to clear the transaction ID at end of a parallel operation."

WAIT_EVENT_PROC_SIGNAL_BARRIERProcSignalBarrier"Waiting for a barrier event to be processed by all backends."

WAIT_EVENT_PROMOTEPromote"Waiting for standby promotion."

WAIT_EVENT_RECOVERY_CONFLICT_SNAPSHOTRecoveryConflictSnapshot"Waiting for recovery conflict resolution for a vacuum cleanup."

Section: ClassName - WaitEventIO

WAIT_EVENT_BASEBACKUP_READBaseBackupRead"Waiting for base backup to read from a file."

WAIT_EVENT_BASEBACKUP_SYNCBaseBackupSync"Waiting for data written by a base backup to reach durable storage."

WAIT_EVENT_BASEBACKUP_WRITEBaseBackupWrite"Waiting for base backup to write to a file."

WAIT_EVENT_BUFFILE_READBufFileRead"Waiting for a read from a buffered file."

WAIT_EVENT_BUFFILE_WRITEBufFileWrite"Waiting for a write to a buffered file."

WAIT_EVENT_BUFFILE_TRUNCATEBufFileTruncate"Waiting for a buffered file to be truncated."

WAIT_EVENT_BASEBACKUP_READBasebackupRead"Waiting for base backup to read from a file."

WAIT_EVENT_BASEBACKUP_SYNCBasebackupSync"Waiting for data written by a base backup to reach durable storage."

WAIT_EVENT_BASEBACKUP_WRITEBasebackupWrite"Waiting for base backup to write to a file."

WAIT_EVENT_BUFFILE_READBuffileRead"Waiting for a read from a buffered file."

WAIT_EVENT_BUFFILE_WRITEBuffileWrite"Waiting for a write to a buffered file."

WAIT_EVENT_BUFFILE_TRUNCATEBuffileTruncate"Waiting for a buffered file to be truncated."

WAIT_EVENT_CONTROL_FILE_READControlFileRead"Waiting for a read from the <filename>pg_control</filename> file."

WAIT_EVENT_CONTROL_FILE_SYNCControlFileSync"Waiting for the <filename>pg_control</filename> file to reach durable storage."

WAIT_EVENT_CONTROL_FILE_SYNC_UPDATEControlFileSyncUpdate"Waiting for an update to the <filename>pg_control</filename> file to reach durable storage."

WAIT_EVENT_DATA_FILE_SYNCDataFileSync"Waiting for changes to a relation data file to reach durable storage."

WAIT_EVENT_DATA_FILE_TRUNCATEDataFileTruncate"Waiting for a relation data file to be truncated."

WAIT_EVENT_DATA_FILE_WRITEDataFileWrite"Waiting for a write to a relation data file."

WAIT_EVENT_DSM_ALLOCATEDSMAllocate"Waiting for a dynamic shared memory segment to be allocated."

WAIT_EVENT_DSM_FILL_ZERO_WRITEDSMFillZeroWrite"Waiting to fill a dynamic shared memory backing file with zeroes."

WAIT_EVENT_LOCK_FILE_ADDTODATADIR_READLockFileAddToDataDirRead"Waiting for a read while adding a line to the data directory lock file."

WAIT_EVENT_LOCK_FILE_ADDTODATADIR_SYNCLockFileAddToDataDirSync"Waiting for data to reach durable storage while adding a line to the data directory lock file."

WAIT_EVENT_LOCK_FILE_ADDTODATADIR_WRITELockFileAddToDataDirWrite"Waiting for a write while adding a line to the data directory lock file."

WAIT_EVENT_DSM_ALLOCATEDsmAllocate"Waiting for a dynamic shared memory segment to be allocated."

WAIT_EVENT_DSM_FILL_ZERO_WRITEDsmFillZeroWrite"Waiting to fill a dynamic shared memory backing file with zeroes."

WAIT_EVENT_LOCK_FILE_ADDTODATADIR_READLockFileAddtodatadirRead"Waiting for a read while adding a line to the data directory lock file."

WAIT_EVENT_LOCK_FILE_ADDTODATADIR_SYNCLockFileAddtodatadirSync"Waiting for data to reach durable storage while adding a line to the data directory lock file."

WAIT_EVENT_LOCK_FILE_ADDTODATADIR_WRITELockFileAddtodatadirWrite"Waiting for a write while adding a line to the data directory lock file."

WAIT_EVENT_LOCK_FILE_CREATE_READLockFileCreateRead"Waiting to read while creating the data directory lock file."

WAIT_EVENT_LOCK_FILE_CREATE_SYNCLockFileCreateSync"Waiting for data to reach durable storage while creating the data directory lock file."

WAIT_EVENT_LOCK_FILE_CREATE_WRITELockFileCreateWrite"Waiting for a write while creating the data directory lock file."

WAIT_EVENT_LOCK_FILE_RECHECKDATADIR_READLockFileReCheckDataDirRead"Waiting for a read during recheck of the data directory lock file."

WAIT_EVENT_LOCK_FILE_RECHECKDATADIR_READLockFileRecheckdatadirRead"Waiting for a read during recheck of the data directory lock file."

WAIT_EVENT_LOGICAL_REWRITE_CHECKPOINT_SYNCLogicalRewriteCheckpointSync"Waiting for logical rewrite mappings to reach durable storage during a checkpoint."

WAIT_EVENT_LOGICAL_REWRITE_MAPPING_SYNCLogicalRewriteMappingSync"Waiting for mapping data to reach durable storage during a logical rewrite."

WAIT_EVENT_LOGICAL_REWRITE_MAPPING_WRITELogicalRewriteMappingWrite"Waiting for a write of mapping data during a logical rewrite."

WAIT_EVENT_REPLICATION_SLOT_RESTORE_SYNCReplicationSlotRestoreSync"Waiting for a replication slot control file to reach durable storage while restoring it to memory."

WAIT_EVENT_REPLICATION_SLOT_SYNCReplicationSlotSync"Waiting for a replication slot control file to reach durable storage."

WAIT_EVENT_REPLICATION_SLOT_WRITEReplicationSlotWrite"Waiting for a write to a replication slot control file."

WAIT_EVENT_SLRU_FLUSH_SYNCSLRUFlushSync"Waiting for SLRU data to reach durable storage during a checkpoint or database shutdown."

WAIT_EVENT_SLRU_READSLRURead"Waiting for a read of an SLRU page."

WAIT_EVENT_SLRU_SYNCSLRUSync"Waiting for SLRU data to reach durable storage following a page write."

WAIT_EVENT_SLRU_WRITESLRUWrite"Waiting for a write of an SLRU page."

WAIT_EVENT_SLRU_FLUSH_SYNCSlruFlushSync"Waiting for SLRU data to reach durable storage during a checkpoint or database shutdown."

WAIT_EVENT_SLRU_READSlruRead"Waiting for a read of an SLRU page."

WAIT_EVENT_SLRU_SYNCSlruSync"Waiting for SLRU data to reach durable storage following a page write."

WAIT_EVENT_SLRU_WRITESlruWrite"Waiting for a write of an SLRU page."

WAIT_EVENT_SNAPBUILD_READSnapbuildRead"Waiting for a read of a serialized historical catalog snapshot."

WAIT_EVENT_SNAPBUILD_SYNCSnapbuildSync"Waiting for a serialized historical catalog snapshot to reach durable storage."

WAIT_EVENT_SNAPBUILD_WRITESnapbuildWrite"Waiting for a write of a serialized historical catalog snapshot."

WAIT_EVENT_TWOPHASE_FILE_SYNCTwophaseFileSync"Waiting for a two phase state file to reach durable storage."

WAIT_EVENT_TWOPHASE_FILE_WRITETwophaseFileWrite"Waiting for a write of a two phase state file."

WAIT_EVENT_VERSION_FILE_WRITEVersionFileWrite"Waiting for the version file to be written while creating a database."

WAIT_EVENT_WALSENDER_TIMELINE_HISTORY_READWALSenderTimelineHistoryRead"Waiting for a read from a timeline history file during a walsender timeline command."

WAIT_EVENT_WAL_BOOTSTRAP_SYNCWALBootstrapSync"Waiting for WAL to reach durable storage during bootstrapping."

WAIT_EVENT_WAL_BOOTSTRAP_WRITEWALBootstrapWrite"Waiting for a write of a WAL page during bootstrapping."

WAIT_EVENT_WAL_COPY_READWALCopyRead"Waiting for a read when creating a new WAL segment by copying an existing one."

WAIT_EVENT_WAL_COPY_SYNCWALCopySync"Waiting for a new WAL segment created by copying an existing one to reach durable storage."

WAIT_EVENT_WAL_COPY_WRITEWALCopyWrite"Waiting for a write when creating a new WAL segment by copying an existing one."

WAIT_EVENT_WAL_INIT_SYNCWALInitSync"Waiting for a newly initialized WAL file to reach durable storage."

WAIT_EVENT_WAL_INIT_WRITEWALInitWrite"Waiting for a write while initializing a new WAL file."

WAIT_EVENT_WAL_READWALRead"Waiting for a read from a WAL file."

WAIT_EVENT_WAL_SYNCWALSync"Waiting for a WAL file to reach durable storage."

WAIT_EVENT_WAL_SYNC_METHOD_ASSIGNWALSyncMethodAssign"Waiting for data to reach durable storage while assigning a new WAL sync method."

WAIT_EVENT_WAL_WRITEWALWrite"Waiting for a write to a WAL file."

WAIT_EVENT_WALSENDER_TIMELINE_HISTORY_READWalsenderTimelineHistoryRead"Waiting for a read from a timeline history file during a walsender timeline command."

WAIT_EVENT_WAL_BOOTSTRAP_SYNCWalBootstrapSync"Waiting for WAL to reach durable storage during bootstrapping."

WAIT_EVENT_WAL_BOOTSTRAP_WRITEWalBootstrapWrite"Waiting for a write of a WAL page during bootstrapping."

WAIT_EVENT_WAL_COPY_READWalCopyRead"Waiting for a read when creating a new WAL segment by copying an existing one."

WAIT_EVENT_WAL_COPY_SYNCWalCopySync"Waiting for a new WAL segment created by copying an existing one to reach durable storage."

WAIT_EVENT_WAL_COPY_WRITEWalCopyWrite"Waiting for a write when creating a new WAL segment by copying an existing one."

WAIT_EVENT_WAL_INIT_SYNCWalInitSync"Waiting for a newly initialized WAL file to reach durable storage."

WAIT_EVENT_WAL_INIT_WRITEWalInitWrite"Waiting for a write while initializing a new WAL file."

WAIT_EVENT_WAL_READWalRead"Waiting for a read from a WAL file."

WAIT_EVENT_WAL_SYNCWalSync"Waiting for a WAL file to reach durable storage."

WAIT_EVENT_WAL_SYNC_METHOD_ASSIGNWalSyncMethodAssign"Waiting for data to reach durable storage while assigning a new WAL sync method."

WAIT_EVENT_WAL_WRITEWalWrite"Waiting for a write to a WAL file."

#