Re: Postgresql Performance on an HP DL385 and

From: "Steinar H(dot) Gunderson" <sgunderson(at)bigfoot(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Postgresql Performance on an HP DL385 and
Date: 2006-08-15 22:23:23
Message-ID: 20060815222323.GA18180@uio.no
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On Tue, Aug 15, 2006 at 05:20:25PM -0500, Jim C. Nasby wrote:
> This is only valid if the pre-allocation is also fsync'd *and* fsync
> ensures that both the metadata and file data are on disk. Anyone
> actually checked that? :)

fsync() does that, yes. fdatasync() (if it exists), OTOH, doesn't sync the
metadata.

/* Steinar */
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Homepage: http://www.sesse.net/

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