diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index 15e51f92680..b8ffc210a4a 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -2223,6 +2223,10 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser
BaseBackupThrottle
Waiting during base backup when throttling activity.
+
+ CheckpointerWriteDelay
+ Waiting between writes while performing a checkpoint.
+
PgSleep
Waiting due to a call to pg_sleep or
diff --git a/src/backend/postmaster/checkpointer.c b/src/backend/postmaster/checkpointer.c
index 75a95f3de7a..86996750dcd 100644
--- a/src/backend/postmaster/checkpointer.c
+++ b/src/backend/postmaster/checkpointer.c
@@ -490,6 +490,9 @@ CheckpointerMain(void)
}
ckpt_active = false;
+
+ /* We may have received an interrupt during the checkpoint. */
+ HandleCheckpointerInterrupts();
}
/* Check for archive_timeout and switch xlog files if necessary. */
@@ -732,7 +735,10 @@ CheckpointWriteDelay(int flags, double progress)
* Checkpointer and bgwriter are no longer related so take the Big
* Sleep.
*/
- pg_usleep(100000L);
+ WaitLatch(MyLatch, WL_LATCH_SET | WL_EXIT_ON_PM_DEATH | WL_TIMEOUT,
+ 100,
+ WAIT_EVENT_CHECKPOINT_WRITE_DELAY);
+ ResetLatch(MyLatch);
}
else if (--absorb_counter <= 0)
{
diff --git a/src/backend/utils/activity/wait_event.c b/src/backend/utils/activity/wait_event.c
index 6baf67740c7..affbcf25db6 100644
--- a/src/backend/utils/activity/wait_event.c
+++ b/src/backend/utils/activity/wait_event.c
@@ -473,6 +473,9 @@ pgstat_get_wait_timeout(WaitEventTimeout w)
case WAIT_EVENT_BASE_BACKUP_THROTTLE:
event_name = "BaseBackupThrottle";
break;
+ case WAIT_EVENT_CHECKPOINT_WRITE_DELAY:
+ event_name = "CheckpointWriteDelay";
+ break;
case WAIT_EVENT_PG_SLEEP:
event_name = "PgSleep";
break;
diff --git a/src/include/utils/wait_event.h b/src/include/utils/wait_event.h
index 6c6ec2e7118..1fb6f640138 100644
--- a/src/include/utils/wait_event.h
+++ b/src/include/utils/wait_event.h
@@ -140,7 +140,8 @@ typedef enum
WAIT_EVENT_PG_SLEEP,
WAIT_EVENT_RECOVERY_APPLY_DELAY,
WAIT_EVENT_RECOVERY_RETRIEVE_RETRY_INTERVAL,
- WAIT_EVENT_VACUUM_DELAY
+ WAIT_EVENT_VACUUM_DELAY,
+ WAIT_EVENT_CHECKPOINT_WRITE_DELAY
} WaitEventTimeout;
/* ----------