kernel IO schedulers

Kurt Wall kwall
Mon Jan 10 21:05:21 PST 2005


On Fri, Dec 31, 2004 at 07:03:34PM -0800, Net Llama! took 56 lines to write:
> On 12/31/2004 06:01 PM, Kurt Wall wrote:

[I/O schedulers to and fro]

> No, i did not.  However i rebuilt 2.6.10 with only CONFIG_IOSCHED_AS=y 
> and confirmed in dmesg:
> elevator: using anticipatory as default io scheduler
> 
> yet performance still sucketh.

I've been paying more attention to the scheduler. I got slightly better
performance with the CFQ scheduler compared to the deadline scheduler,
but it was only a few percent at most, so I've stuck with the deadline
scheduler because I understand how it works.

> i guess this is what i get for jumping from 2.6.7 to 2.6.10 just for 
> gits and shiggles.  *sigh*

;-)

Kurt
-- 
Williams and Holland's Law:
	If enough data is collected, anything may be proven by
statistical methods.


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