Re: checkpoints/bgwriter tuning verification

From: Andres Freund <andres(at)anarazel(dot)de>
To: pgsql-general(at)postgresql(dot)org
Cc: Vick Khera <vivek(at)khera(dot)org>
Subject: Re: checkpoints/bgwriter tuning verification
Date: 2009-11-20 20:06:34
Message-ID: 200911202106.34430.andres@anarazel.de
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On Friday 30 October 2009 15:30:34 Vick Khera wrote:
> I really don't think I'm saturating the disk bandwidth. I see spikes
> of 18MB/s or more, but it usually hovers at under 3MB/s according to
> iostat output.
Looking at the iostat -x output is often more interesting - especially the
utilization and the average request latency.

Andres

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