| From: | Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com> |
|---|---|
| To: | Postgres User <postgres(dot)developer(at)gmail(dot)com> |
| Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Postgres database performance on 6 core Opteron vs 4 core Xeon |
| Date: | 2009-11-25 23:51:46 |
| Message-ID: | dcc563d10911251551g40faaf0fn5592961a529c97ee@mail.gmail.com |
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| Lists: | pgsql-general |
On Wed, Nov 25, 2009 at 11:20 AM, Postgres User
<postgres(dot)developer(at)gmail(dot)com> wrote:
> Has anyone seen any performance metrics comparing the Opteron 6-core
> Istanbul class processor aginst the 4-core Xeon e5500 series
> processor, esp running a dataase? Or has anyone compared these 2
> processor options before ordering a Postgres server?
>
> The 6 core processor should offer a clear edge but these AMD
> processors are cited for relatively slow L3 cache speeds compared to
> their Intel counterparts.
>
> 4-Core Intel Xeon E5520 (2.26 GHz) Processor VS
> 6-Core AMD Opteron Model 2425 HE (2.1GHz} Processor
I'm running the 2.2GHz AMD part in production in a 12 core server and
it's quite fast as a pgsql server. Sadly, I have no Nehalem processor
to compare it to.
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