| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Andrew Sullivan <andrew(at)libertyrms(dot)info> |
| Cc: | pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: Interpretting WAL debug. |
| Date: | 2002-08-29 21:43:51 |
| Message-ID: | 200208292143.g7TLhpV23785@candle.pha.pa.us |
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| Lists: | pgsql-admin |
Andrew Sullivan wrote:
> On Thu, Aug 29, 2002 at 04:03:09PM -0400, Bruce Momjian wrote:
> >
> > Add timestamps to the logs. See my article on Hardware performance
> > tuning on the techdocs.postgresql.org site.
>
> But please note that adding the timestamp itself imposes a
> performance penalty, because you have to call to get the time of day
> for every log write.
There is a TODO item to add a GUC option and complain if checkpoints
happen more frequenly than X seconds.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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