2009/7/9, oooooooooooo ooooooooooooo <hhh735 at hotmail.com>: > > After a quick calculation, that could put around 3200 files per directory (I > have around 15 million of files), I think that above 1000 files the > performance will start to degrade significantly, anyway it would be a mater > of doing some benchmarks. depending on the total size of this cache files, as it was suggested by nate - throw some hardware at it. perhaps a hardware ram device will provide adequate performance : http://www.tomshardware.com/reviews/hyperos-dram-hard-drive-block,1186.html