Re: hardware advice - Mailing list pgsql-performance

From Claudio Freire
Subject Re: hardware advice
Date
Msg-id CAGTBQpaT6=4hJadHWuLzQ=JeBTXLE_8_oFB4P42NVKXvqmC0kg@mail.gmail.com
Whole thread Raw
In response to Re: hardware advice  (David Boreham <david_list@boreham.org>)
Responses Re: hardware advice  (David Boreham <david_list@boreham.org>)
Re: hardware advice  (Scott Marlowe <scott.marlowe@gmail.com>)
List pgsql-performance
On Thu, Sep 27, 2012 at 6:08 PM, David Boreham <david_list@boreham.org> wrote:
>>
>> We went from Dunnington to Nehalem, and it was stunning how much better
>> the X5675 was compared to the E7450. Sandy Bridge isn't quite that much of a
>> jump though, so if you don't need that kind of bleeding-edge, you might be
>> able to save some cash. This is especially true since the E5-2600 series has
>> the same TDP profile and both use 32nm lithography.
>
> We use Opteron on a price/performance basis. Intel always seems to come up
> with some way to make their low-cost processors useless (such as limiting
> the amount of memory they can address).

Careful with AMD, since many (I'm not sure about the latest ones)
cannot saturate the memory bus when running single-threaded. So, great
if you have a high concurrent workload, quite bad if you don't.


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