diff options
| -rw-r--r-- | doc/src/sgml/monitoring.sgml | 5 | ||||
| -rw-r--r-- | src/backend/storage/sync/sync.c | 4 | ||||
| -rw-r--r-- | src/backend/utils/activity/wait_event.c | 3 | ||||
| -rw-r--r-- | src/include/utils/wait_event.h | 1 |
4 files changed, 12 insertions, 1 deletions
diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml index 8620aaddc79..71559442f0b 100644 --- a/doc/src/sgml/monitoring.sgml +++ b/doc/src/sgml/monitoring.sgml @@ -2255,6 +2255,11 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser source (<filename>pg_wal</filename>, archive or stream).</entry> </row> <row> + <entry><literal>RegisterSyncRequest</literal></entry> + <entry>Waiting while sending synchronization requests to the + checkpointer, because the request queue is full.</entry> + </row> + <row> <entry><literal>VacuumDelay</literal></entry> <entry>Waiting in a cost-based vacuum delay point.</entry> </row> diff --git a/src/backend/storage/sync/sync.c b/src/backend/storage/sync/sync.c index e161d57761e..0c4d9ce687f 100644 --- a/src/backend/storage/sync/sync.c +++ b/src/backend/storage/sync/sync.c @@ -31,6 +31,7 @@ #include "storage/bufmgr.h" #include "storage/fd.h" #include "storage/ipc.h" +#include "storage/latch.h" #include "storage/md.h" #include "utils/hsearch.h" #include "utils/inval.h" @@ -606,7 +607,8 @@ RegisterSyncRequest(const FileTag *ftag, SyncRequestType type, if (ret || (!ret && !retryOnError)) break; - pg_usleep(10000L); + WaitLatch(NULL, WL_EXIT_ON_PM_DEATH | WL_TIMEOUT, 10, + WAIT_EVENT_REGISTER_SYNC_REQUEST); } return ret; diff --git a/src/backend/utils/activity/wait_event.c b/src/backend/utils/activity/wait_event.c index 0706e922b53..ff46a0e3c71 100644 --- a/src/backend/utils/activity/wait_event.c +++ b/src/backend/utils/activity/wait_event.c @@ -497,6 +497,9 @@ pgstat_get_wait_timeout(WaitEventTimeout w) case WAIT_EVENT_RECOVERY_RETRIEVE_RETRY_INTERVAL: event_name = "RecoveryRetrieveRetryInterval"; break; + case WAIT_EVENT_REGISTER_SYNC_REQUEST: + event_name = "RegisterSyncRequest"; + break; case WAIT_EVENT_VACUUM_DELAY: event_name = "VacuumDelay"; break; diff --git a/src/include/utils/wait_event.h b/src/include/utils/wait_event.h index d0345c6b49e..1c39ce031a7 100644 --- a/src/include/utils/wait_event.h +++ b/src/include/utils/wait_event.h @@ -145,6 +145,7 @@ typedef enum WAIT_EVENT_PG_SLEEP, WAIT_EVENT_RECOVERY_APPLY_DELAY, WAIT_EVENT_RECOVERY_RETRIEVE_RETRY_INTERVAL, + WAIT_EVENT_REGISTER_SYNC_REQUEST, WAIT_EVENT_VACUUM_DELAY, WAIT_EVENT_VACUUM_TRUNCATE } WaitEventTimeout; |