Message-ID: <4E94A0D5.2050500@gmail.com>
Date: Tue, 11 Oct 2011 17:02:29 -0300
From: alexandre - aldeia digital <adaldeia@gmail.com>
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CC: pgsql-performance@postgresql.org
Subject: Re: Adding more memory = hugh cpu load [solved]
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Em 11-10-2011 15:05, Claudio Freire escreveu:
> On Tue, Oct 11, 2011 at 3:02 PM, alexandre - aldeia digital
> <adaldeia@gmail.com>  wrote:
>> 2) Change all memory chips to new others, instead of maintain the old (16
>> GB) + new (32 GB).
>
> Of course, mixing disables double/triple/whatuple channel, and makes
> your memory subsystem correspondingly slower.
> By a lot.

The initial change (add more memory) are maded by a technical person of 
Dell and him told us that he use the same especification in memory chips.
But, you know how "it works"... ;)