| From: | Shaun Thomas <sthomas(at)optionshouse(dot)com> |
|---|---|
| To: | Glyn Astill <glynastill(at)yahoo(dot)co(dot)uk> |
| Cc: | "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Newer kernels and CFS scheduler again |
| Date: | 2013-04-30 16:40:47 |
| Message-ID: | 517FF40F.3000706@optionshouse.com |
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| Lists: | pgsql-general |
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(at)optionshouse(dot)com
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