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

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Jean-David Beyer <jeandavid8(at)verizon(dot)net>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: xfs perform a lot better than ext4 [WAS: Re: Two identical systems, radically different performance]
Date: 2012-12-05 17:00:56
Message-ID: 50BF7DC8.7040702@dunslane.net
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On 12/05/2012 11:51 AM, Jean-David Beyer 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?

Postgres journalling will not save you from a corrupt file system.

cheers

andrew

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