| 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: | 07B62244-A343-4B07-8362-D9AD79A9C5B8@fastcrypt.com |
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| Lists: | pgsql-performance |
Actually this one is an opteron, so it looks like it's all good.
Dave
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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