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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 14:54:35 -0400 |
| commit | 4a43a6244d93dd0e16a898ff18d8641512b6006c (patch) | |
| tree | 10effc8522a77f01f16ba48987fb809bb05d1e99 /src | |
| parent | 05e2293f4c70cdda00357322f62e3ccd8b1043db (diff) | |
| download | postgresql-4a43a6244d93dd0e16a898ff18d8641512b6006c.tar.gz postgresql-4a43a6244d93dd0e16a898ff18d8641512b6006c.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.
Diffstat (limited to 'src')
| -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 c834d2e3044..923fa3f2fd2 100644 --- a/src/backend/postmaster/postmaster.c +++ b/src/backend/postmaster/postmaster.c @@ -1753,7 +1753,8 @@ ServerLoop(void) } /* 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 have lost the archiver, try to start a new one. */ @@ -2963,7 +2964,7 @@ 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; } |