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Re: Tons of free RAM. Can't make it go away. - Mailing list pgsql-performance

From Marcus Larsson
Subject Re: Tons of free RAM. Can't make it go away.
Date
Msg-id 20121022175617.GA11806@mindwipe.org
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In response to Re: Tons of free RAM. Can't make it go away.  (Shaun Thomas <sthomas@optionshouse.com>)
List pgsql-performance
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On Mon, Oct 22, 2012 at 12:49:49PM -0500, Shaun Thomas wrote:

> Trust me, there's plenty. We have a DB that's 6x larger than RAM
> that's currently experiencing 6000TPS, and according to iostat,
> anywhere from 20-60% disk utilization that's mostly reads.

Could it be related to zone_reclaim_mode? What is vm.zone_reclaim_mode set to?

/marcus

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