Re: SAN performance mystery - Mailing list pgsql-performance

From Michael Stone
Subject Re: SAN performance mystery
Date
Msg-id 20060619102430.GD3303@mathom.us
Whole thread Raw
In response to Re: SAN performance mystery  (Tim Allen <tim@proximity.com.au>)
Responses Re: SAN performance mystery  (Mark Kirkwood <markir@paradise.net.nz>)
List pgsql-performance
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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