Message-ID: <5085873D.60400@optionshouse.com>
Date: Mon, 22 Oct 2012 12:49:49 -0500
From: Shaun Thomas <sthomas@optionshouse.com>
Reply-To: <sthomas@optionshouse.com>
Organization: Peak6
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To: Claudio Freire <klaussfreire@gmail.com>
CC: "pgsql-performance@postgresql.org" <pgsql-performance@postgresql.org>
Subject: Re: Tons of free RAM. Can't make it go away.
References: <508583E4.8080102@optionshouse.com>
	<CAGTBQpZA+_fL=D_E0F8jmpdTcTePgkSQGMFEtoWN7OyWuDnOeQ@mail.gmail.com>
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On 10/22/2012 12:44 PM, Claudio Freire wrote:


> Maybe there's just nothing to put inside?
> How big is your database? How much of it gets accessed?

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.

It's pretty aggressively keeping that 14GB free, and it's driving me 
nuts. :)


-- 
Shaun Thomas
OptionsHouse | 141 W. Jackson Blvd. | Suite 500 | Chicago IL, 60604
312-444-8534
sthomas@optionshouse.com

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