Re: W[i/e]rd performance issue with 8.1cvs

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>, Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: W[i/e]rd performance issue with 8.1cvs
Date: 2005-04-24 19:06:05
Message-ID: 200504241206.05207.josh@agliodbs.com
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Tom,

> I concur with the upthread suggestion that it may come from not doing
> checkpoints in a realistic fashion, thereby allowing too much queued
> I/O work to build up.  What happens if you set the checkpoint interval
> to 5 or 10 minutes?

I'll test. Keep in mind that it takes me a couple of days to run a new test
(I've got 11 in the queue right now) so it'll be a bit.

--
Josh Berkus
Aglio Database Solutions
San Francisco

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