| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Donald Courtney <Donald(dot)Courtney(at)Sun(dot)COM> |
| Cc: | Tom Arthurs <tarthurs(at)jobflash(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Postgresql on an AMD64 machine |
| Date: | 2005-06-07 20:27:54 |
| Message-ID: | 42A6034A.90405@commandprompt.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
>>
> The system has 8 CPUs w/ 32 GB - I'm hoping to see some benefit to large
> caches -
> Am I missing something key with postgreSQL?
> Yes - we have seen with oracle 64 bit that there can be as much as a 10%
> hit moving
> from 32 - but we make it up big time with large db-buffer sizes that
> drastically
Well for Opteron you should also gain from the very high memory
bandwidth and the fact that it has I believe "3" FP units per CPU.
Sincerely,
Joshua D. Drake
--
Your PostgreSQL solutions company - Command Prompt, Inc. 1.800.492.2240
PostgreSQL Replication, Consulting, Custom Programming, 24x7 support
Managed Services, Shared and Dedicated Hosting
Co-Authors: plPHP, plPerlNG - http://www.commandprompt.com/
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Alvaro Herrera | 2005-06-07 20:27:55 | Re: Postgresql on an AMD64 machine |
| Previous Message | Donald Courtney | 2005-06-07 20:19:24 | Re: Postgresql on an AMD64 machine |