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

From Ian Westmacott
Subject Re: improving write performance for logging
Date
Msg-id 1136574178.31602.13.camel@spectre.intellivid.com
Whole thread Raw
In response to Re: improving write performance for logging  ("Jim C. Nasby" <jnasby@pervasive.com>)
Responses Re: improving write performance for logging  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-performance
On Fri, 2006-01-06 at 10:37 -0600, Jim C. Nasby wrote:
> The problem is that if you lose WAL or the data, you've lost everything.
> So you might as well use raid0 for the data if you're using it for WAL.
> Or switch WAL to raid1. Actually, a really good controller *might* be
> able to do a good job of raid5 for WAL. Or just use raid10.

If the WAL is lost, can you lose more than the data since the last
checkpoint?

--
Ian Westmacott <ianw@intellivid.com>
Intellivid Corp.


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