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Re: xfs perform a lot better than ext4 [WAS: Re: Two identical systems, radically different performance] - Mailing list pgsql-performance

From Claudio Freire
Subject Re: xfs perform a lot better than ext4 [WAS: Re: Two identical systems, radically different performance]
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Msg-id CAGTBQpYtN3a=ryQOcGyZPNYz4Ts=Fbj395thp7Ss3GHQqSQi3g@mail.gmail.com
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In response to Re: xfs perform a lot better than ext4 [WAS: Re: Two identical systems, radically different performance]  (Jean-David Beyer <jeandavid8@verizon.net>)
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On Wed, Dec 5, 2012 at 1:51 PM, Jean-David Beyer <jeandavid8@verizon.net> wrote:
> I thought that postgreSQL did its own journalling, if that is the proper
> term, so why not use an ext2 file system to lower overhead?

Because you can still have metadata-level corruption.

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