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Re: Newer kernels and CFS scheduler again - Mailing list pgsql-general

From Shaun Thomas
Subject Re: Newer kernels and CFS scheduler again
Date
Msg-id 517FF40F.3000706@optionshouse.com
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In response to Newer kernels and CFS scheduler again  (Glyn Astill <glynastill@yahoo.co.uk>)
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On 04/30/2013 10:58 AM, Glyn Astill wrote:

> kernel.sched_min_granularity_ns=9000000
> kernel.sched_wakeup_granularity_ns=12000000

I'll keep this in mind and do some testing when I get a chance. I think
I tried tweaking these and didn't get much of a return compared to the
migration cost, but that was back on kernel 3.2.31, so maybe that'll change.

Thanks for the info!

--
Shaun Thomas
OptionsHouse | 141 W. Jackson Blvd. | Suite 500 | Chicago IL, 60604
312-676-8870
sthomas@optionshouse.com

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