WAIT EVENTS / VERSION COMPARISON
What changed?
Wait Events · PostgreSQL 18 → 19 beta 3
Pre-release documentation. These definitions may change before the final release.
18 added · 2 removed · 1 changed · 0 coverage changes. These are changes in the pinned reference snapshots.
changedReplicationSlotsyncMain
--- 18 +++ 19 beta 3 @@ -1,2 +1,2 @@ Activity/ReplicationSlotsyncMain -Waiting in main loop of slot sync worker. +Waiting in main loop of slot synchronization.
addedBufferCleanup
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +Buffer/BufferCleanup +Waiting to acquire an exclusive pin on a buffer. Buffer pin waits can be protracted if another process holds an open cursor that last read data from the buffer in question.
addedBufferExclusive
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +Buffer/BufferExclusive +Waiting to acquire a exclusive lock on a buffer.
removedBufferPin
--- 18 +++ 19 beta 3 @@ -1,2 +0,0 @@ -BufferPin/BufferPin -Waiting to acquire an exclusive pin on a buffer.
addedBufferShared
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +Buffer/BufferShared +Waiting to acquire a shared lock on a buffer.
addedBufferShareExclusive
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +Buffer/BufferShareExclusive +Waiting to acquire a share exclusive lock on a buffer.
addedCopyFromRead
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +IO/CopyFromRead +Waiting to read data from a pipe, a file or a program during COPY FROM.
addedCopyToWrite
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +IO/CopyToWrite +Waiting to write data to a pipe, a file or a program during COPY TO.
addedChecksumEnableStartcondition
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +IPC/ChecksumEnableStartcondition +Waiting for data checksums enabling to start.
addedChecksumEnableTemptableWait
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +IPC/ChecksumEnableTemptableWait +Waiting for temporary tables to be dropped for data checksums to be enabled.
addedRepackWorkerExport
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +IPC/RepackWorkerExport +Waiting for decoding worker to export a new output file.
addedWaitForWalFlush
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +IPC/WaitForWalFlush +Waiting for WAL flush to reach a target LSN on a primary or standby.
addedWaitForWalReplay
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +IPC/WaitForWalReplay +Waiting for WAL replay to reach a target LSN on a standby.
addedWaitForWalWrite
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +IPC/WaitForWalWrite +Waiting for WAL write to reach a target LSN on a standby.
addedAioWorkerControl
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +LWLock/AioWorkerControl +Waiting to update AIO worker information.
removedBufferContent
--- 18 +++ 19 beta 3 @@ -1,2 +0,0 @@ -LWLock/BufferContent -Waiting to access a data page in memory.
addedDataChecksumsWorker
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +LWLock/DataChecksumsWorker +Waiting for data checksums worker.
addedLogicalDecodingControl
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +LWLock/LogicalDecodingControl +Waiting to read or update logical decoding status information.
addedNotifyChannelHash
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +LWLock/NotifyChannelHash +Waiting to access the NOTIFY channel hash table.
addedWaitLSN
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +LWLock/WaitLSN +Waiting to read or update shared Wait-for-LSN state.
addedCommitDelay
--- 18 +++ 19 beta 3 @@ -0,0 +1,2 @@ +Timeout/CommitDelay +Waiting for commit delay before WAL flush.