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Re: Defrag pitfals (was Re: Support for XFS File systems)

To: Bogdan Costescu <bogdan.costescu@xxxxxxxxxxxxxxxxxxxxx>
Subject: Re: Defrag pitfals (was Re: Support for XFS File systems)
From: Steve Lord <lord@xxxxxxx>
Date: 12 Feb 2003 13:35:23 -0600
Cc: Chris Wedgwood <cw@xxxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: <Pine.LNX.4.44.0302121952080.7758-100000@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Organization:
References: <Pine.LNX.4.44.0302121952080.7758-100000@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Sender: linux-xfs-bounce@xxxxxxxxxxx
On Wed, 2003-02-12 at 13:28, Bogdan Costescu wrote:

> After switching to XFS and (mea culpa!) forgetting to set up xfs_fsr to be 
> run by cron, the read speed would be similar after several days-weeks. 
> However, by using xfs_fsr we go back to reading with around 20 MiB/s even 
> for a pretty full FS.
> 

You can always tell fsr to just defragment these files, rather than
the whole filesystem.

Steve

-- 

Steve Lord                                      voice: +1-651-683-3511
Principal Engineer, Filesystem Software         email: lord@xxxxxxx


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