| From: | Robert Lor <Robert(dot)Lor(at)Sun(dot)COM> |
|---|---|
| To: | Arjen van der Meijden <acmmailing(at)tweakers(dot)net> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Sun Donated a Sun Fire T2000 to the PostgreSQL community |
| Date: | 2006-06-17 04:17:04 |
| Message-ID: | 44938240.6040804@sun.com |
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| Lists: | pgsql-hackers pgsql-performance |
Arjen van der Meijden wrote:
>
> I can already confirm very good scalability (with our workload) on
> postgresql on that machine. We've been testing a 32thread/16G-version
> and it shows near-linear scaling when enabling 1, 2, 4, 6 and 8 cores
> (with all four threads enabled).
>
> The threads are a bit less scalable, but still pretty good. Enabling
> 1, 2 or 4 threads for each core yields resp 60 and 130% extra
> performance.
Wow, what type of workload is it? And did you do much tuning to get
near-linear scalability to 32 threads?
Regards,
-Robert
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