Re: SAN performance mystery

From: Michael Stone <mstone+postgres(at)mathom(dot)us>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: SAN performance mystery
Date: 2006-06-19 10:24:32
Message-ID: 20060619102430.GD3303@mathom.us
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On Mon, Jun 19, 2006 at 08:09:47PM +1000, Tim Allen wrote:
>Certainly, the read performance of the SATA disk still beats the SAN,
>and there is no way to lie about read performance.

Sure there is: you have the data cached in system RAM. I find it real
hard to believe that you can sustain 161MB/s off a single SATA disk.

Mike Stone

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