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Date: Tue, 16 Jul 2013 08:32:26 -0700 (PDT)
From: Kevin Grittner <kgrittn@ymail.com>
Reply-To: Kevin Grittner <kgrittn@ymail.com>
Subject: Re: 9.2.2 - semop hanging
To: Rafael Domiciano <rafael.domiciano@gmail.com>
Cc: "pgsql-admin@postgresql.org" <pgsql-admin@postgresql.org>
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Rafael Domiciano <rafael.domiciano@gmail.com> wrote:

> Yeah, disabling THP seens to lower the severity of the situation.
> Thanks. Right now is about 1 hour without any episode.

> Googling I've found that others had the same problem, and
> resolved disabling THP. Is it the right way?

That is the only way to correct this problem when it appears that I
am aware of.=A0 I have seen recommendations to disable THP defrag
instead, but where I have seen people do that, they wound up
entirely disabling THP support later.

Huge pages should benefit performance in general, but some
implementations seem to have problems.

--
Kevin Grittner
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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