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Re: postgres eating CPU on HP9000

From: Fabio Esposito <nfesposi(at)sourceweave(dot)net>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: postgres eating CPU on HP9000
Date: 2004-03-29 13:09:22
Message-ID: Pine.LNX.4.44.0403290807560.25270-100000@cr818510-a.basement (view raw, whole thread or download thread mbox)
Lists: pgsql-performance

On Fri, 26 Mar 2004, Josh Berkus wrote:

> Fabio,
> > Recently it started eating up the cpu, and cannot keepup with the system
> > like it used to.  The interesting thing here is that it still runs great
> > on an older system with less ram, one slower cpu, and an older disk.
> This really points to a maintenance problem.  How often do you run VACUUM
> ANALYZE?   You have a very high rate of data turnover, and should need to
> VACUUM frequently.
> Also, what's you max_fsm_pages setting.

We run VACUUM ANALYZE after we remove about 1000 rows every hour on the
halh hour.  Our max_fsm_pages is set to 10000

Thanks again


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