choosing a file system

[Adam Tauno Williams]

> On the other hand, XFS was the only Linux filesystems capable to handle our 
> 5 million files (at that time, we're now at 33 million) we had in these 
> days with an acceptable performance. Ext3 was way too slow with directories 
> with > 1000 files (but many things have changed from kernel 2.4.x to 
> nowadays kernels)

It has;  not Cyrus but another application we had, and we had to make a
'hashed' directory structure to avoid the many-files-in-a-directory
situation.  But this isn't true anymore,  ext3 performs well with very
large directories.