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Re: How much ram is too much

From: Dave Cramer <pg(at)fastcrypt(dot)com>
To: Guy Rouillier <guyr-ml1(at)burntmail(dot)com>
Cc: postgresql performance list <pgsql-performance(at)postgresql(dot)org>
Subject: Re: How much ram is too much
Date: 2007-06-11 10:55:36
Message-ID: (view raw or whole thread)
Lists: pgsql-performance
Actually this one is an opteron, so it looks like it's all good.

On 8-Jun-07, at 3:41 PM, Guy Rouillier wrote:

> Dave Cramer wrote:
>> It's an IBM x3850 using linux redhat 4.0
> I had to look that up, web site says it is a 4-processor, dual-core  
> (so 8 cores) Intel Xeon system.  It also says "Up to 64GB DDR II  
> ECC memory", so are you sure you can even get 128 GB RAM?
> If you could, I'd expect diminishing returns from the Xeon  
> northbridge memory access.  If you are willing to spend that kind  
> of money on memory, you'd be better off with Opteron or Sparc.
> -- 
> Guy Rouillier
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