Cool. Good to know. I'll see if I can replicate these results in my environment. Thanks, M.
________________________________________
From: Josh Berkus <josh@agliodbs.com>
Sent: Wednesday, April 08, 2015 1:05 PM
To: Mel Llaguno; Przemysław Deć
Cc: pgsql-performance@postgresql.org
Subject: Re: [PERFORM] Some performance testing?
On 04/07/2015 11:07 AM, Mel Llaguno wrote:
> Care to elaborate? We usually do not recommend specific kernel versions
> for our customers (who run on a variety of distributions). Thanks, M.
You should.
http://www.databasesoup.com/2014/09/why-you-need-to-avoid-linux-kernel-32.html
Performance is literally 2X to 5X different between kernels.
--
Josh Berkus
PostgreSQL Experts Inc.
http://pgexperts.com