Recommended max. limit of number of files per directory?

[howard chen]

Hello,


On Wed, Mar 25, 2009 at 3:45 AM, Bruno Wolff III <bruno at wolff.to> wrote:
> If you turn on directory hashing it scales better but eventually
> performance will still tank. You can use tune2fs to see how it is set and
> change it if necessay.
>

Yes, but I want to know if any testings was performed before?

e.g.

Ext3 start to suck when number of files under the same directory exceed X files.