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Re: xfs_fsr, performance related tweaks

To: Just Marc <marc@xxxxxxxxx>
Subject: Re: xfs_fsr, performance related tweaks
From: Andi Kleen <andi@xxxxxxxxxxxxxx>
Date: Fri, 29 Jun 2007 10:58:46 +0200
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>, nscott@xxxxxxxxxx, xfs@xxxxxxxxxxx
In-reply-to: <4684C168.2050605@xxxxxxxxx>
References: <4683ADF5.9050901@xxxxxxxxx> <1183075929.15488.148.camel@xxxxxxxxxxxxxx> <4684A728.1050405@xxxxxxxxx> <20070629081357.GC14519@xxxxxxxxxxxxxxxxxx> <4684C168.2050605@xxxxxxxxx>
Sender: xfs-bounce@xxxxxxxxxxx
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On Fri, Jun 29, 2007 at 09:23:04AM +0100, Just Marc wrote:

> You might have hit the 
> nail on the head, some of the files it was not able to improve are on 
> filesystems that are almost full.    

Don't do that then. It's probably the reason you get the bad fragmentation
in the first place. Most file systems perform very poorly when
they are nearly full.


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