Wow - that's interesting. I didn't know there was a btree option for Ext3. I thought only Reiser had that. If this actually works then it should perform like Reiser.On 2005-07-19 11:14:03 +1000, vmstech wrote:Quick answer: ext3 with dir_index is fine. this link has some nice speed comparision: http://lwn.net/Articles/10904/ hope this helps darix p.s.: my personal preference is XFS.