| From: | hubert depesz lubaczewski <depesz(at)depesz(dot)com> |
|---|---|
| To: | Justin Pasher <justinp(at)newmediagateway(dot)com> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Postgres stats collector showing high disk I/O |
| Date: | 2010-04-23 21:40:35 |
| Message-ID: | 20100423214035.GB1818@depesz.com |
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| Lists: | pgsql-general pgsql-hackers |
On Fri, Apr 23, 2010 at 03:27:55PM -0500, Justin Pasher wrote:
> haven't tweaked any settings from the defaults. My
> $PGDATA/global/pgstat.stat file is about 18MB, if that helps. Does
> it really rewrite this entire file every 500ms? Alvaro suggested
> resetting the stats, but I'm having trouble figuring out how to do
> that. Seems like pg_stat_reset() is post- 8.1 ...?
I don't have 8.1 handy, but according to this:
http://www.postgresql.org/docs/8.1/interactive/monitoring-stats.html
pg_stat_reset() should be available in 8.1.
Best regards,
depesz
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