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From: Sean Chittenden <sean@chittenden.org>
To: peter <pmcgregor@advso.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Performance issue
Date: Wed, 24 Sep 2003 10:47:21 -0700
Message-ID: <20030924174721.GA11474@perrin.nxad.com> (raw)
In-Reply-To: <B10D0E1A-EE52-11D7-BD6E-003065E5EDC4@advso.com>
References: <B10D0E1A-EE52-11D7-BD6E-003065E5EDC4@advso.com>

> My statistics(Athlon 1.8Ghz)
> ----------------
> 20,000 items            Takes on average 0.078seconds/room
> 385,000 items          Takes on average .11seconds/room
> 690,000 items          takes on average .270seconds/room
> 1,028,000 items       Takes on average .475seconds/room
[snip]
>  I am running Red hat 8. Some of my conf entries that I have changed 
> follow
> shared_buffers = 3700
> effective_cache_size = 4000
> sort_mem = 32168

Have you twiddled with your wal_buffers or checkpoint_segments?  Might
be something to look at.

-sc

-- 
Sean Chittenden



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