diff options
| author | Robert Haas <rhaas@postgresql.org> | 2016-10-27 14:27:40 -0400 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2016-10-27 14:56:37 -0400 |
| commit | 4a8cfbdcbe8447e4226b2ebdb155e0acc1167db5 (patch) | |
| tree | 86c540c67f435ff7f91d2a1b55689b498a4e089f | |
| parent | d1e9c8269bb1b8eae595c48b67f11e3fd4658170 (diff) | |
If the stats collector dies during Hot Standby, restart it.
This bug exists as far back as 9.0, when Hot Standby was introduced,
so back-patch to all supported branches.
Report and patch by Takayuki Tsunakawa, reviewed by Michael Paquier
and Kuntal Ghosh.
| -rw-r--r-- | src/backend/postmaster/postmaster.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c index 5489f239cc4..56c0c493449 100644 --- a/src/backend/postmaster/postmaster.c +++ b/src/backend/postmaster/postmaster.c @@ -1749,7 +1749,8 @@ ServerLoop(void) PgArchPID = pgarch_start(); /* If we have lost the stats collector, try to start a new one */ - if (PgStatPID == 0 && pmState == PM_RUN) + if (PgStatPID == 0 && + (pmState == PM_RUN || pmState == PM_HOT_STANDBY)) PgStatPID = pgstat_start(); /* If we need to signal the autovacuum launcher, do so now */ @@ -2929,7 +2930,7 @@ reaper(SIGNAL_ARGS) if (!EXIT_STATUS_0(exitstatus)) LogChildExit(LOG, _("statistics collector process"), pid, exitstatus); - if (pmState == PM_RUN) + if (pmState == PM_RUN || pmState == PM_HOT_STANDBY) PgStatPID = pgstat_start(); continue; } |