Re: Throttling PostgreSQL's CPU usage

From: david(at)lang(dot)hm
To: Carlos Moreno <moreno_pg(at)mochima(dot)com>
Cc: Daniel Griscom <griscom(at)suitable(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Throttling PostgreSQL's CPU usage
Date: 2007-05-08 23:24:08
Message-ID: Pine.LNX.4.64.0705081622320.29403@asgard.lang.hm
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On Tue, 8 May 2007, Carlos Moreno wrote:

> Daniel Griscom wrote:
>>
>> Several people have mentioned having multiple processors; my current
>> machine is a uni-processor machine, but I believe we could spec the actual
>> runtime machine to have multiple processors/cores.
>
> My estimate is that yes, you should definitely consider that.
>
>> I'm only running one query at a time; would that query be guaranteed to
>> confine itself to a single processor/core?
>
> From what Joshua mentions, looks like you do have that guarantee.

isn't there a way to limit how many processes postgres will create?

if this is limited to 1, what happens when a vaccum run hits (or
autovaccum)

David Lang

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