From: | Andrew Sullivan <andrew(at)libertyrms(dot)info> |
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To: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: ext3 filesystem / linux 7.3 |
Date: | 2003-04-01 17:55:19 |
Message-ID: | 20030401175519.GA9553@mail |
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Lists: | pgsql-performance |
On Tue, Apr 01, 2003 at 12:33:15PM -0500, Jeffrey D. Brower wrote:
> What is the URL of that article? I understood that ext2 was faster with PG
> and so I went to a lot of trouble of creating an ext2 partition just for PG
> and gave up the journalling to do that. Something about double effort since
> PG already does a lot of that.
I don't know how ext3 could be faster than ext2, since it has to do
more work.
But ext2 is not crash-safe. So your data could well be hosed if you
come back from a crash on ext2.
Actually, I have my doubts about _any_ of the journaling filesystems
for Linux: ext3 has a reputation for being slow if you journal in the
real-safe mode, and there have been so many unrepeatable reiserfs
problem reports that I'm loathe to use it for real systems. I had
exceptionally good experiences with xfs when I was admining SGI
boxes, but that's not part of the standard Linux kernel distribution,
and with no idea why, I think my managers would get grumpy with me
for using it.
A
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Andrew Sullivan 204-4141 Yonge Street
Liberty RMS Toronto, Ontario Canada
<andrew(at)libertyrms(dot)info> M2P 2A8
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