Messages in this thread | | | Date | Sun, 9 Nov 2008 21:30:43 +0300 | From | Alexey Dobriyan <> | Subject | Re: Slow file transfer speeds with CFQ IO scheduler in some cases |
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On Sun, Nov 09, 2008 at 08:04:45PM +0200, Vitaly V. Bursov wrote: > I'm building small server system with openvz kernel and have ran into > some IO performance problems. Reading a single file via NFS delivers > around 9 MB/s over gigabit network, but while reading, say, 2 different > or same file 2 times at the same time I get >60MB/s.
openvz kernels have very changed CFQ and, IIRC, this one-reader problem is fixed somewhere. Ask devel@openvz.org.
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