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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 10:13:57 +0200
Cc: nscott@xxxxxxxxxx, xfs@xxxxxxxxxxx, andi@xxxxxxxxxxxxxx
In-reply-to: <4684A728.1050405@xxxxxxxxx>
References: <4683ADF5.9050901@xxxxxxxxx> <1183075929.15488.148.camel@xxxxxxxxxxxxxx> <4684A728.1050405@xxxxxxxxx>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/
> I run fsr all the time because in my case there is hundreds of gigs of 
> new data added to each file system every day, some of it does badly need 
> to be defragged as the files added are actively being served, not just 

It might be better to investigate why XFS does such a poor job
for your workload in the first case. Unless the file systems
are always nearly full or you have a lot of holes it shouldn't fragment
that badly in the first place.


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