Re: Interactive Usage of 2.6.0.test1 worse than 2.4.21

From: Peter Chubb (peter@chubb.wattle.id.au)
Date: Tue Aug 05 2003 - 17:43:22 EST

>>>>> "Andrew" == Andrew Morton <akpm@osdl.org> writes:

Andrew> Martin Konold <martin.konold@erfrakon.de> wrote:
>> Hi,
>>
>> when using 2.6.0.test1 on a high end laptop (P-IV 2.2 GHz, 1GB RAM)
>> I notice very significant slowdown in interactive usage compared to
>> 2.4.21.
>>
>> The difference is most easily seen when switching folders in
>> kmail. While 2.4.21 is instantaneous 2.6.0.test1 shows the clock
>> for about 2-3 seconds.
>>

I see the same problem, and I'm using XFS. Booting with
elevator=deadline fixed it for me. The anticipatory scheduler hurts
if you have a disc optimised for low power consumption, not speed. 

--
Dr Peter Chubb  http://www.gelato.unsw.edu.au  peterc AT gelato.unsw.edu.au
You are lost in a maze of BitKeeper repositories,   all slightly different.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

This archive was generated by hypermail 2b29 : Thu Aug 07 2003 - 22:00:30 EST