Re: Low Insert/Update Performance

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Rhaoni Chiu Pereira <rhaoni(at)sistemica(dot)info>, PostgreSQL Performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Low Insert/Update Performance
Date: 2003-10-22 16:27:49
Message-ID: 200310220927.49451.josh@agliodbs.com
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Rhaoni,

> Total runtime: 3.56 msec
> (4 rows)

Well, from that figure it's not the query that's holding you up.

You said that the system bogs down when you're doing a whole series of these
updates, or just one? If the former, then I'm afraid that it's your disk
that's to blame ... large numbers of rapid-fire updates simply won't be fast
on a single IDE disk. Try getting a second disk and moving the transaction
log to it.

--
Josh Berkus
Aglio Database Solutions
San Francisco

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