Re: Linux memory zone reclaim

From: Claudio Freire <klaussfreire(at)gmail(dot)com>
To: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
Cc: Greg Smith <greg(at)2ndquadrant(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Linux memory zone reclaim
Date: 2012-07-18 05:38:32
Message-ID: CAGTBQpaz+VPwoJ4m7wyaPJ75=tAh+BQHzguFDHRNMMTioO5p=Q@mail.gmail.com
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On Tue, Jul 17, 2012 at 11:00 PM, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> wrote:
>
> Thanks for the link, I'll read up on it. I do have access to large
> (24 to 40 core) NUMA machines so I might try some benchmarking on them
> to see how they work.

It must have been said already, but I'll repeat it just in case:

I think postgres has an easy solution. Spawn the postmaster with
"interleave", to allocate shared memory, and then switch to "local" on
the backends.

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