Re: postgres eating CPU on HP9000

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: "Marcus Andree S(dot) Magalhaes" <marcus(dot)magalhaes(at)vlinfo(dot)com(dot)br>, <scott(dot)marlowe(at)ihs(dot)com>
Cc: <nfesposi(at)sourceweave(dot)net>, <pgsql-performance(at)postgresql(dot)org>
Subject: Re: postgres eating CPU on HP9000
Date: 2004-03-28 19:24:43
Message-ID: 200403281124.43275.josh@agliodbs.com
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Marcus,

> We are experiencing exactly the same problem here, and we use 7.4 on
> Linux/i386 SMP (2 processors). Our databases does even more access:
> about 30k selects per hour, 10k updates and inserts per hour
>
> Vacuum analyze is done daily.

What is your max_fsm_pages setting? If you are getting 10,000 updates per
hour, daily VACUUM ANALYZE may not be enough.

Also do you run VACUUM ANALYZE as a superuser, or as a regular user?

--
Josh Berkus
Aglio Database Solutions
San Francisco

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