diff options
| -rw-r--r-- | doc/src/sgml/monitoring.sgml | 5 | ||||
| -rw-r--r-- | src/backend/postmaster/pgstat.c | 3 | ||||
| -rw-r--r-- | src/backend/storage/sync/sync.c | 4 | ||||
| -rw-r--r-- | src/include/pgstat.h | 3 |
4 files changed, 13 insertions, 2 deletions
diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml index 6abb29ecafe..7b6ea8b24df 100644 --- a/doc/src/sgml/monitoring.sgml +++ b/doc/src/sgml/monitoring.sgml @@ -2161,6 +2161,11 @@ 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/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c index 24e54d6766f..1e2064456b0 100644 --- a/src/backend/postmaster/pgstat.c +++ b/src/backend/postmaster/pgstat.c @@ -3919,6 +3919,9 @@ 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/backend/storage/sync/sync.c b/src/backend/storage/sync/sync.c index 4ce2e687d3c..d8c02220a29 100644 --- a/src/backend/storage/sync/sync.c +++ b/src/backend/storage/sync/sync.c @@ -27,6 +27,7 @@ #include "postmaster/bgwriter.h" #include "storage/bufmgr.h" #include "storage/ipc.h" +#include "storage/latch.h" #include "storage/md.h" #include "utils/hsearch.h" #include "utils/inval.h" @@ -585,7 +586,8 @@ 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/include/pgstat.h b/src/include/pgstat.h index c55dc1481ca..46fa42c2013 100644 --- a/src/include/pgstat.h +++ b/src/include/pgstat.h @@ -902,7 +902,8 @@ 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_REGISTER_SYNC_REQUEST } WaitEventTimeout; /* ---------- |