Messages in this thread | | | Date | Thu, 29 Aug 2002 15:39:34 -0300 (BRT) | From | Rik van Riel <> | Subject | Re: 2.5.32 IO performance issues |
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On Thu, 29 Aug 2002, Badari Pulavarty wrote:
> I am having severe IO performance problems with 2.5.32 (2.5.31 works fine). > I was wondering what caused this. > > As you can see, IO rate went from > > 384MB/sec with 6% CPU utilization on 2.5.31 > to > 120MB/sec with 19% CPU utilization on 2.5.32 > > Any idea ?
384 MB/s is suspiciously fast. What kind of disk subsystem do you have to achieve that speed ?
Or did 2.5.31 keep the dirty data in memory, instead of writing it to disk ? ;)
regards,
Rik -- Bravely reimplemented by the knights who say "NIH".
http://www.surriel.com/ http://distro.conectiva.com/
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