Re: AS performance with reiser4 on 2.6.3

From: markw
Date: Fri Feb 27 2004 - 11:57:58 EST


On 26 Feb, Nikita Danilov wrote:
> markw@xxxxxxxx writes:
> > Hi Nick,
> >
> > I started getting some results with dbt-2 on 2.6.3 and saw that reiser4
> > is doing a bit worse with the AS elevator. Although reiser4 wasn't
> > doing well to begin with, compared to the other filesystems. I have
> > links to the STP results on our 4-ways and 8-ways here:
> > http://developer.osdl.org/markw/fs/dbt2_stp_results.html
>
> There were no changes between 2.6.2 and 2.6.3 that could affect reiser4
> performance, so it is not clear why numbers are so different. Probably
> results should be averaged over several runs. Also can you run test with
>
> http://www.namesys.com/snapshots/2004.02.25/extra/e_05-proc-sleep.patch
>
> applied? To use it turn CONFIG_PROC_SLEEP on (depends on
> CONFIG_FRAME_POINTER), and do "cat /proc/sleep" before and after test
> run.

http://khack.osdl.org/stp/288905/results/

There are a set of /proc/sleep files there from a 4-way system.

Mark
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