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Re: Slow delete

To: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Subject: Re: Slow delete
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 5 Jul 2010 14:54:06 -0400
Cc: Andrei Deftu <andreideftu@xxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20100705171338.3bb38e1d@xxxxxxxxxxxxxxxxxxxx>
References: <AANLkTinPmhJRD3CDdsHtkLFzYd2jF9ee7gPqgO6XBSfl@xxxxxxxxxxxxxx> <20100705171338.3bb38e1d@xxxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.20 (2009-08-17)
Using nobarrier really is a bad idea in general as it does not
actually provides any transactional guarantee.  But if you're the kind
of person that would use it anyway please upgrade to a 2.6.35-rc kernel
and use the "delaylog" mount option, which will uses a new logging
mechanism that will get you much better delete performance.  It's still
experimental, but it's defintively not any worse than using nobarrier.

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