diff options
| author | Bruce Momjian <bruce@momjian.us> | 2004-12-02 22:40:18 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2004-12-02 22:40:18 +0000 |
| commit | 12e678201d050ebedda21144ff0f10a34bb48e4a (patch) | |
| tree | 47e7e736f97e46f50b6e70d252ba11989a40d722 /src/backend/postmaster/pgarch.c | |
| parent | 4ea4f8bd0647d4cc9b349ae825a29b5750784ef4 (diff) | |
> I enclose a short patch to reduce the PGARCH_RESTART_INTERVAL from 60
> seconds to 10 seconds. The original number was plucked from thin air
> some months ago, and I'd like to review that now based upon further
> thought, observation and experience.
>
> This change has little or no effect on performance, since the interval
> is there mainly to avoid repeated respawn attempts if archiver fails at
> startup. Archiver start-up time is very quick, so there is little danger
> of exceeding 10 seconds.
>
> On a busy system, if the archiver does die, then many files can build up
> in the 60 seconds before respawning. That xlog file backlog could take
> some time to clear. This then leaves a larger than normal window of data
> loss for a possibly long period.
>
> It's a minor change only, with no other effect on function.
Simon Riggs
Diffstat (limited to 'src/backend/postmaster/pgarch.c')
| -rw-r--r-- | src/backend/postmaster/pgarch.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/postmaster/pgarch.c b/src/backend/postmaster/pgarch.c index 317b47304ac..98eb6a21376 100644 --- a/src/backend/postmaster/pgarch.c +++ b/src/backend/postmaster/pgarch.c @@ -19,7 +19,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/postmaster/pgarch.c,v 1.12 2004/11/18 17:13:38 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/postmaster/pgarch.c,v 1.13 2004/12/02 22:40:18 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -51,7 +51,7 @@ #define PGARCH_AUTOWAKE_INTERVAL 60 /* How often to force a poll of * the archive status directory; * in seconds. */ -#define PGARCH_RESTART_INTERVAL 60 /* How often to attempt to restart +#define PGARCH_RESTART_INTERVAL 10 /* How often to attempt to restart * a failed archiver; in seconds. */ /* ---------- |