This is more of a filesystem question, then it is an operating system/distro question. Based on my research, the benchmarks on the web claim ReiserFS to provide up to 15-20% faster results. I've not had any time to do any benchmarking. My cache is currently running on an ext3 partition running under SLES8 SP3 I've been very happy with the performance. Tim Rainier Information Services, Kalsec, INC trainier@xxxxxxxxxx Henrik Nordstrom <hno@xxxxxxxxxxxxxxx> wrote on 10/10/2005 08:38:53 PM: > On Thu, 6 Oct 2005, Sushil Deore wrote: > > > I've tried squid on all the FC's i.e. FC-1,FC-2 & the latest is on FC-3 > > which works fine. > > Have had a couple of reports that the aufs disk I/O performance suffers on > FC-3 and later using NPTL. But I have not verified this myself yet. > > Regards > Henrik