Re: Postgresql Performance on an HP DL385 and

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: mark(at)mark(dot)mielke(dot)cc
Cc: "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>, Steve Poe <steve(dot)poe(at)gmail(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Postgresql Performance on an HP DL385 and
Date: 2006-08-15 20:40:09
Message-ID: 20113.1155674409@sss.pgh.pa.us
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mark(at)mark(dot)mielke(dot)cc writes:
> WAL file is never appended - only re-written?

> If so, then I'm wrong, and ext2 is fine. The requirement is that no
> file system structures change as a result of any writes that
> PostgreSQL does. If no file system structures change, then I take
> everything back as uninformed.

That risk certainly exists in the general data directory, but AFAIK
it's not a problem for pg_xlog.

regards, tom lane

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