Re: Turn off Hyperthreading! WAS: 60 core performance with 9.3 - Mailing list pgsql-performance

From Shaun Thomas
Subject Re: Turn off Hyperthreading! WAS: 60 core performance with 9.3
Date
Msg-id 53F73F0F.3070808@optionshouse.com
Whole thread Raw
In response to Re: Turn off Hyperthreading! WAS: 60 core performance with 9.3  (Scott Marlowe <scott.marlowe@gmail.com>)
List pgsql-performance
On 08/22/2014 01:37 AM, Scott Marlowe wrote:

> I thought they were fixed in 3.8.something? We're running 3.8 on our
> production servers but IO is not an issue for us.

Yeah. 3.8 fixed a ton of issues that were plaguing us. There were still
a couple patches I wanted that didn't get in until 3.11+, but the worst
of the behavior was solved before that.

Bugs in kernel cache page aging algorithms are bad, m'kay?

--
Shaun Thomas
OptionsHouse, LLC | 141 W. Jackson Blvd. | Suite 800 | Chicago IL, 60604
312-676-8870
sthomas@optionshouse.com

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