Question about optimal filesystem with many small files.

[oooooooooooo ooooooooooooo <hhh735@xxxxxxxxxxx>]

Hi,

I have a program that writes lots of files to a directory tree (around 15 Million fo files), and a node can have up to 400000 files (and I don't have any way to split this ammount in smaller ones). As the number of files grows, my application gets slower and slower (the app is works something like a cache for another app and I can't redesign the way it distributes files into disk due to the other app requirements).

The filesystem I use is ext3 with teh following options enabled:

Filesystem features:      has_journal resize_inode dir_index filetype needs_recovery sparse_super large_file

Is there any way to improve performance in ext3? Would you suggest another FS for this situation (this is a prodution server, so I need a stable one) ?

Thanks in advance (and please excuse my bad english).


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