A. Khattri wrote:

>On Sun, 17 Apr 2005, Richard Fish wrote:
>  
>
>>How did you do this conversion?  Reiserfs exhibits poor performance if
>>you simply extract an archive of a different filesystem.
>>    
>>
>
>Why? Are you saying if I make a tarball on an ext2 fs and then copy and
>untar this tarball onto a ReiserFS filesystem, the files created are not
>created as ReiserFS files?
>
>That doesn't make sense.
>
>  
>

It has to do with the fact that reiserfs orders files by their hashes
internally, so operations that rely on readdir() (such as rm -rvf, etc)
can perform poorly if the files on disk are not layed out in the same
order.  It is a fairly common problem when trying to benchmark reiserfs
against other filesystems.  See:

http://www.namesys.com/faq.html#file-ordering-speed

-Richard

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