![[wl_timeout.png|64]] Waiting due to a timer, throttle, or deliberate delay — not contention. These are intentional pauses built into maintenance processes. ![[BaseBackupThrottle]] ![[CheckpointWriteDelay]] ![[PgSleep]] ![[RecoveryApplyDelay]] ![[RecoveryRetrieveRetryInterval]] ![[RegisterSyncRequest]] ![[SpinDelay]] ![[VacuumDelay]] ![[VacuumTruncate]]