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Re: improving write performance for logging - Mailing list pgsql-performance

From Michael Stone
Subject Re: improving write performance for logging
Date
Msg-id 20060106160311.GH32630@mathom.us
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In response to Re: improving write performance for logging  (Ian Westmacott <ianw@intellivid.com>)
List pgsql-performance
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On Fri, Jan 06, 2006 at 09:00:06AM -0500, Ian Westmacott wrote:
>We use RAID50 instead of RAID0 for the tables for some fault-tolerance.
>We use RAID0 for the WAL for performance.
>
>I'm missing the implication of the question...

If you have the WAL on RAID 0 you have no fault tolerance, regardless of
what level you use for the tables.

Mike Stone

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