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.
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