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| author | Robert Haas <rhaas@postgresql.org> | 2016-10-27 14:27:40 -0400 |
|---|---|---|
| committer | Robert Haas <rhaas@postgresql.org> | 2016-10-27 14:56:42 -0400 |
| commit | e927f55ffffb43b29e7a8c459825950b2b280219 (patch) | |
| tree | 7038c84901c61c069303fe0e559b1fc7bd2b2f50 | |
| parent | 92929a3e370dcc89ff806c2a8fb2fc257c42f01a (diff) | |
| download | postgresql-e927f55ffffb43b29e7a8c459825950b2b280219.tar.gz postgresql-e927f55ffffb43b29e7a8c459825950b2b280219.zip | |
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 09f50bf4942..f3e723230c9 100644 --- a/src/backend/postmaster/postmaster.c +++ b/src/backend/postmaster/postmaster.c @@ -1754,7 +1754,8 @@ 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 */ @@ -2902,7 +2903,7 @@ 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; } |