[wellylug] XFS and JFS

[E Chalaron]

Hi Sam
Thanks for that
Will give it a go, I don't think this option has been used at all.
cheers
E


Sam Vilain wrote:
> E Chalaron wrote:
>   
>> Hi there
>> I am thinking of moving a Raid 0 (2 x 500GB) from ext3 to XFS or JFS 
>> filesystem.
>> Reason is that I usually need to work with 40000 files per directory, 
>> which I understand to be a bit pushing it for ext3 and after 30 to 35000 
>> files it certainly starts to loose the plot.
>> Reliability is not an issue, since files are data which are processed 
>> then removed and can be recreated if anything goes wrong.
>> OS is on another ext3 disk, I am not mixing data and OS.
>>
>> Any advice ?
>>     
>
> I've found XFS to not suit this use case at all.  It seems to be for big
> files and big files only.  A lot of time I wonder why an operation I'm
> doing which is inode intensive is taking so damned long, and then I
> remember I made the mistake of formatting my /home as XFS.  And I'm not
> the only person to experience this.
>
> I know nothing about JFS.
>
> That ext3 doesn't deal with many files in a directory I think is
> out-of-date information.  Did you turn on directory hashing on the file
> system? (see the mke2fs man page)  reiserfs 3 can probably handle this
> reasonably well also.
>
> Sam.
>
>
>