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> From: Stéphane Nicoll [mailto:Stephane.Nicoll at bsb.com] > Average disk queue length is very very high and not > decreasing. Available memory is 1.4Go (2Go total memory) so I > don't think it causes the issue. Agree. > We do have 3 disks of 36Go, 15k RPM using RAID5 > > Any suggestion? Assuming you've turned off realtime anti-virus scanning on the CVS repository (you have, haven't you? :-) ), I'd expect that to be a reasonable configuration for a normal repository - but I've got many fewer users than you. Do you know what mix of operations you've got, and whether it's mostly reads or mostly writes? (for read/write, the disk counters are your friends again) Given that much free RAM, I suspect writes, as the reads *should* be cached by the filesystem code (I think - Tony?). Silly question... what's your RAID controller, does it have battery/capacitor backup on writes [so that you maintain repository consitency across power fails - usually!], and if so, does it make any difference if you turn on delayed writes on the controller? Just wondering whether you have lots of small writes or fewer large ones. - Peter