Re: 11g AMM tmpfs vs hugepages for best overall performance

From: Jared Still <jkstill_at_gmail.com>
Date: Wed, 21 Jul 2010 09:17:31 -0700
Message-ID: <AANLkTilXZ2OJ7W8QbnKSUaAKIYyvrNsx3dIj-B0cT4M7_at_mail.gmail.com>

On Wed, Jul 21, 2010 at 8:56 AM, Crisler, Jon <Jon.Crisler_at_usi.com> wrote:

> Which is better for performance on large Red Hat 5 systems (64gb+ memory,
> 8+ cpu’s) - using 10g style shm settings and hugepages, OR the newer 11g
> Automatic Memory Manager (which does not support hugepages).
>
>
>

Jon,

You may find the following useful:

Kevin Closson

http://kevinclosson.wordpress.com/2007/08/23/oracle11g-automatic-memory-management-and-linux-hugepages-support
http://kevinclosson.wordpress.com/2007/08/24/oracle11g-automatic-memory-management-part-ii-automatically-stupid
http://kevinclosson.wordpress.com/2007/08/24/oracle11g-automatic-memory-management-part-iii-a-numa-issue

Tanel Poder
http://blog.tanelpoder.com/2007/08/21/oracle-11g-internals-part-1-automatic-memory-management

Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist Oracle Blog: http://jkstill.blogspot.com Home Page: http://jaredstill.com

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Received on Wed Jul 21 2010 - 11:17:31 CDT