Re: Transparent HugePages causing crashes?

From: Karl Arao <karlarao_at_gmail.com>
Date: Thu, 6 Jun 2013 11:44:45 -0400
Message-ID: <CACNsJndiGqTJnm6MwznX7MO24ekVDjTfNKR1Cdd+PYTfvGORrg_at_mail.gmail.com>



have you seen this blog?
http://structureddata.org/2012/06/18/linux-6-transparent-huge-pages-and-hadoop-workloads/

On Thu, Jun 6, 2013 at 10:59 AM, Rich Jesse < rjoralist2_at_society.servebeer.com> wrote:

> Hey all,
>
> MOS has a new alert 1557478.1 that says "Because Transparent HugePages are
> known to cause unexpected node reboots and performance problems with RAC,
> Oracle strongly advises to disable the use of Transparent HugePages."
>
> However, I can't find anything searching for issues with THP in all the
> usual places. Is this just a RAC issue? Specific to Oracle instances
> running on later Linux releases?
>
> THP seems more like AIX's 64k medium pages and I was hoping to use them to
> help prevent DBA errors in sizing traditional HugePages.
>
> Anyone using THP?
>
> Rich
>
> --
> http://www.freelists.org/webpage/oracle-l
>
>
>

-- 
Karl Arao
Blog: karlarao.wordpress.com
Wiki: karlarao.tiddlyspot.com
Twitter: _at_karlarao <http://twitter.com/karlarao>


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Received on Thu Jun 06 2013 - 17:44:45 CEST

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