On Fri, Oct 11, 2013 at 12:25 PM, Eric van Gyzen <eric_at_vangyzen.net> wrote: > Maksim, > > The graphs were not attached. Perhaps the list stripped them. Could you > post them on the web instead? err... sorry about it.. please try http://people.freebsd.org/~emax/c034.png http://people.freebsd.org/~emax/c044.png thanks max >> hello, >> >> i would like to submit the attached bioq patch for review and >> comments. this is proof of concept. it helps with smoothing disk read >> service times and arrear to eliminates outliers. please see attached >> pictures (about a week worth of data) >> >> - c034 "control" unmodified system >> - c044 patched system >> >> graphs show max/avg disk read service times for both systems across 36 >> spinning drives. both systems are relatively busy serving production >> traffic (about 10 Gbps at peak). grey shaded areas on the graphs >> represent time when systems are refreshing their content, i.e. disks >> are both reading and writing at the same time. >> >> thanks, >> maxReceived on Fri Oct 11 2013 - 17:33:32 UTC
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