diff options
| -rw-r--r-- | doc/src/sgml/monitoring.sgml | 4 | ||||
| -rw-r--r-- | src/backend/access/transam/xlog.c | 2 | ||||
| -rw-r--r-- | src/backend/postmaster/pgstat.c | 3 | ||||
| -rw-r--r-- | src/include/pgstat.h | 1 |
4 files changed, 10 insertions, 0 deletions
diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml index c2adb22dff9..36d393d329c 100644 --- a/doc/src/sgml/monitoring.sgml +++ b/doc/src/sgml/monitoring.sgml @@ -1675,6 +1675,10 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry>Waiting for a read from a timeline history file during walsender timeline command.</entry> </row> <row> + <entry><literal>WALSync</literal></entry> + <entry>Waiting for a WAL file to reach stable storage.</entry> + </row> + <row> <entry><literal>WALSyncMethodAssign</literal></entry> <entry>Waiting for data to reach stable storage while assigning WAL sync method.</entry> </row> diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index dcfef365916..09816578012 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -10156,6 +10156,7 @@ assign_xlog_sync_method(int new_sync_method, void *extra) void issue_xlog_fsync(int fd, XLogSegNo segno) { + pgstat_report_wait_start(WAIT_EVENT_WAL_SYNC); switch (sync_method) { case SYNC_METHOD_FSYNC: @@ -10191,6 +10192,7 @@ issue_xlog_fsync(int fd, XLogSegNo segno) elog(PANIC, "unrecognized wal_sync_method: %d", sync_method); break; } + pgstat_report_wait_end(); } /* diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c index 084573e77c0..bbe73618c78 100644 --- a/src/backend/postmaster/pgstat.c +++ b/src/backend/postmaster/pgstat.c @@ -3925,6 +3925,9 @@ pgstat_get_wait_io(WaitEventIO w) case WAIT_EVENT_WAL_READ: event_name = "WALRead"; break; + case WAIT_EVENT_WAL_SYNC: + event_name = "WALSync"; + break; case WAIT_EVENT_WAL_SYNC_METHOD_ASSIGN: event_name = "WALSyncMethodAssign"; break; diff --git a/src/include/pgstat.h b/src/include/pgstat.h index be2f59239bf..d59c24ae238 100644 --- a/src/include/pgstat.h +++ b/src/include/pgstat.h @@ -921,6 +921,7 @@ typedef enum WAIT_EVENT_WAL_INIT_SYNC, WAIT_EVENT_WAL_INIT_WRITE, WAIT_EVENT_WAL_READ, + WAIT_EVENT_WAL_SYNC, WAIT_EVENT_WAL_SYNC_METHOD_ASSIGN, WAIT_EVENT_WAL_WRITE } WaitEventIO; |