Re: Hyper-Trading - Mailing list pgsql-general

From Andrej Ricnik-Bay
Subject Re: Hyper-Trading
Date
Msg-id b35603930707101251o66b6f2cdy7ed96bda695b2171@mail.gmail.com
Whole thread Raw
In response to Hyper-Trading  (Евгений Кононов <kononov@office.tps.uz>)
List pgsql-general
On 7/10/07, Евгений Кононов <kononov@office.tps.uz> wrote:
> Здравствуйте, Andrej.
Privet ;) ... not that I speak any Russian, really.

>> ARB> What OS are you using, and what's hyper-trading? Hyper threading
>> ARB> by any chance?  That's the OSes responsibility, not the databases.

> I'm use Fedora Core 5, based on two Intel(R) Xeon(TM) MP CPU 3.16GHz
> processors with Hyper-Trading technology. It means, that I use 4
> virtual processors.
> And, then I run postgreSQL, he use only one processor and work very
> easy. I want to use postgreSQL on all my processors, but I don't know
> how did it.
As I said ... if the OS supports those hyperthreaded CPUs
properly (I assume you're seing four CPUs in /proc/cpuinfo?)
and you fire up concurrent connections to the database
the OS should start spreading the load across CPUs.  It's
not the databases task (or capability) to make that decision.


> Thank's !
Cheers,
Andrej

pgsql-general by date:

Previous
From: Richard Huxton
Date:
Subject: Re: Implementing 2 different transactions in a PL/Perl function
Next
From: Michael Glaesemann
Date:
Subject: Re: Implementing 2 different transactions in a PL/Perl function