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From: Con Kolivas <conman@kolivas.net>
To: Jens Axboe <axboe@suse.de>
Subject: Re: [BENCHMARK] 2.4.{18,19{-ck9},20rc1{-aa1}} with contest
Date: Sun, 10 Nov 2002 00:09:40 +1100
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Cc: Andrew Morton <akpm@digeo.com>,
       linux kernel mailing list <linux-kernel@vger.kernel.org>,
       marcelo@conectiva.com.br, Andrea Arcangeli <andrea@suse.de>
References: <200211091300.32127.conman@kolivas.net> <200211091612.08718.conman@kolivas.net> <20021109112135.GB31134@suse.de>
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>On Sat, Nov 09 2002, Con Kolivas wrote:
>> >You're showing a big shift in behaviour between 2.4.19 and 2.4.20-rc1.
>> >Maybe it doesn't translate to worsened interactivity.  Needs more
>> >testing and anaysis.
>>
>> Sounds fair enough. My resources are exhausted though. Someone else have
>> any thoughts?
>
>Try setting lower elevator passover values. Something ala
>
># elvtune -r 64 /dev/hda
>
>(or whatever your drive is)

Heres some more data:

io_load:
Kernel [runs]           Time    CPU%    Loads   LCPU%   Ratio
2.4.20-rc1 [2]          1142.2  6       90      10      16.00
2420rc1r64 [3]          575.0   12      43      10      8.05

That's it then. Should I run a family of different values and if so over what 
range?

Cheers,
Con
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