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Re: Linux memory zone reclaim

From: Claudio Freire <klaussfreire(at)gmail(dot)com>
To: John Lister <john(dot)lister(at)kickstone(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Linux memory zone reclaim
Date: 2012-07-24 21:37:44
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
On Tue, Jul 24, 2012 at 6:23 PM, John Lister <john(dot)lister(at)kickstone(dot)com> wrote:
> Cheers, I'll give it a go, I wonder if this is likely to be integrated into
> the main code? As has been mentioned here before, postgresql isn't as badly
> affected as mysql for example, but I'm wondering if the trend to larger
> memory and more cores/nodes means it should be offered as an option?
> Although saying that I've read that 10Gb of shared buffers may be enough
> even in big machines 128+Gb ram..

Remember to change MPOL_INTERLEAVED to MPOL_DEFAULT ;-)

I'm trying to test it myself

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