Messages in this thread | | | Date | Sat, 8 Apr 2006 19:07:28 +0200 | From | "Alessandro Suardi" <> | Subject | Re: 40% IDE performance regression going from FC3 to FC5 with same kernel |
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On 4/8/06, Arjan van de Ven <arjan@infradead.org> wrote: > On Sat, 2006-04-08 at 18:27 +0200, Alessandro Suardi wrote: > > On 4/8/06, Arjan van de Ven <arjan@infradead.org> wrote: > > > > > > > Just for the record - no, even rebuilding same kernel with same GCC > > > > (3.4.4) under FC5, disk performance is much slower than FC3 - > > > > according to hdparm _and_ dd tests. > > > > > > what happens if you kill hald and other inotify using animals? > > > > Thanks Arjan for looking into this. > > > > Stopping hald brings hdparm from 18.5MB/s to 20MB/s, which is > > indeed a noticeable improvement, though still far from the FC3 > > performance. I'm unsure what else can be stopped however > > from this process list: > > > > 274 ? S<s 0:00 /sbin/udevd -d > > > try killing that one next; it may or may not help but it's sure worth a > try (esp given the success of the first kill :)
killing udevd doesn't bring any improvement - still at 20MB/s.
Do you want me to file a FC5 bugzilla entry with the current info or do you think there is something else that can be discussed on lkml ?
Thanks,
--alessandro
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