Ext3 file count limits

Mark W. Jeanmougin markjx at gmail.com
Tue Oct 18 14:29:53 UTC 2011

On Tue, Oct 18, 2011 at 09:23, Shelby, James <James.Shelby at nrel.gov> wrote:
> Can anyone tell me what the actual limit is for an ext3 filesystem?  I’ve
> done some google searching and according to the wiki it seems 32k
> directories and 32k files however I have seen that people have reported 3
> million+ files which doesn’t seem there is a real limit in the code.


I've got two production servers that each have an ext3 directory with
~500k files. Each file is about 7KB in size. I've also run the process
from XFS, which worked fine.

I did try Btrfs a few times under Fedora 15. What a joke. It didn't
come close to being able to handle with the workload.


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