Reiserfs vs XFS

Jean-Francois Bouchard jean-francois.bouchard at idilia.com
Tue Apr 11 11:55:36 CDT 2006


Interesting !

Still, I'm looking for someone that did the test betwen XFS and ReiserFS 
.. Iknow that XFS is balanced for performance (right now , we have a 
performance issue ..)


Thanks for tricks.

Jean-Francois



Johan De Meersman wrote:
> Umm... is that 14 MILLION files ? *gropes for the cluebat*
>
> I'm not too familiar with XFS, but ReiserFS is indeed a very good choice
> for small files - or big files, for that matter :)
>
> However, you might want to hash your filenames regardless of filesystem
> or underlying disks. Less files is better (listings and such things),
> and I usually try to keep below 10k entries per directory - a number I
> got from the Ext2 specs :-)
>
> For example, a file called lDfz70d2g.tmp would go in lDf/z70/d2g.tmp -
> thus severely limiting the maximum number of entries in each directory.
>
> This should be a relatively small change in the code, and bring a
> substantial (and permanent!) performance gain.
>
>
>
> Jean-Francois Bouchard wrote:
>
>   
>> Hi linux-poweredge ,
>>
>>
>> We are using a PV 2205 full of 300 gb drive. Inside that we have 14 000 
>> 000 files, that totalize 1.6tb of data. Right now we have some probleme 
>> with directory size (too mutch file in one directory) and we like to 
>> know if ReiserFS is a better chose for a lots of small file.
>>
>> Someone did real performance test on PV 2205 with XFS and ReiserFS.
>>
>>
>> Thanks for idea and comment.
>>
>>
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>>  
>>
>>     
>
>
>   



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