Re: defrag on linux system
From: Måns Rullgård (mru_at_inprovide.com)
Date: 09/09/05
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Date: Fri, 09 Sep 2005 19:19:09 +0100
Kasper Dupont <kasperd@daimi.au.dk> writes:
>> Unfortunately the idea that fragmentation could matter even in
>> special cases is heresy to many, and its almost impossible to have
>> a serene discussion about it. Nevertheless one useful suggestion
>> was made: preallocate the files, never destroy them but recycle by
>> renaming.
>
> I'd say that approach to avoid fragmentation is going a litle
> too far. Larger allocation units would probably help. If the
> file system is only used for videos, we will be talking about
> large files, and larger allocation units is not going to
> cause any significant harm on disk usage. Unfortunately not
> all file systems will let you set allocation units very large.
Use an extent based fs like XFS.
-- Måns Rullgård mru@inprovide.com
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