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Re: How much ram is too much

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: david(at)lang(dot)hm
Cc: Ben <bench(at)silentmedia(dot)com>, Dave Cramer <pg(at)fastcrypt(dot)com>, postgresql performance list <pgsql-performance(at)postgresql(dot)org>
Subject: Re: How much ram is too much
Date: 2007-06-08 17:38:23
Message-ID: 4669940F.3050002@commandprompt.com (view raw or flat)
Thread:
Lists: pgsql-performance
david(at)lang(dot)hm wrote:
>> On Fri, 8 Jun 2007, Dave Cramer wrote:
>>
>>>  Is it possible that providing 128G of ram is too much ? Will other 
>>> systems
>>>  in the server bottleneck ?
> 
> the only way 128G of ram would be too much is if your total database 
> size (including indexes) is smaller then this.
> 
> now it may not gain you as much of an advantage going from 64G to 128G 
> as it does going from 32G to 64G, but that depends on many variables as 
> others have been asking.

I don't know about the IBM but I know some of the HPs require slower ram 
to actually get to 128G.

Joshua D. Drake


> 
> David Lang
> 
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