From: Bruce Momjian <bruce@momjian.us>
To: Greg Smith <greg@2ndQuadrant.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Linux memory zone reclaim
Date: Thu, 26 Jul 2012 20:25:54 -0400
Message-ID: <20120727002554.GC24238@momjian.us> (raw)
In-Reply-To: <500616CB.3070408@2ndQuadrant.com>
References: <500616CB.3070408@2ndQuadrant.com>
On Tue, Jul 17, 2012 at 09:52:11PM -0400, Greg Smith wrote:
> I've taken to disabling /proc/sys/vm/zone_reclaim_mode on any Linux
> system where it's turned on now. I'm still working through whether
--------------------------------
> it also makes sense in all cases to use the more complicated memory
> interleaving suggestions that MySQL users have implemented,
> something most people would need to push into their PostgreSQL
> server started up scripts in /etc/init.d (That will be a fun
> rpm/deb packaging issue to deal with if this becomes more
> wide-spread) Suggestions on whether that is necessary, or if just
> disabling zone_reclaim is enough, are welcome from anyone who wants
> to try and benchmark it.
Should I be turning it off on my server too? It is enabled on my
system.
--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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To: pgsql-performance@postgresql.org
Cc: bruce@momjian.us, greg@2ndQuadrant.com
Subject: Re: Linux memory zone reclaim
In-Reply-To: <20120727002554.GC24238@momjian.us>
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