question about dump performance on a snapshot

Jun Kuriyama kuriyama at imgsrc.co.jp
Tue Mar 30 00:01:37 PST 2004


At Mon, 29 Mar 2004 22:04:36 +0000 (UTC),
Don Bowman wrote:
> I stopped postgresql, did a file system snapshot, and
> restarted postgresql. I then commenced a dump on the
> snap as below:
> 
> dump -0 -a -C 32 -f $dumpfile -u $snapfile

To separate where the problem is, could you try to out to /dev/null?

# dump -0 -a -C 32 -f /dev/null -u $snapfile


-- 
Jun Kuriyama <kuriyama at imgsrc.co.jp> // IMG SRC, Inc.
             <kuriyama at FreeBSD.org> // FreeBSD Project


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