От: J. Roeleveld
Тема: Re: Overusing 1 CPU
Дата: ,
Msg-id: 201006021348.21572.joost@antarean.org
(см: обсуждение, исходный текст)
Ответ на: Re: Overusing 1 CPU  (Mozzi)
Список: pgsql-performance

Скрыть дерево обсуждения

Overusing 1 CPU  (Mozzi, )
 Re: Overusing 1 CPU  (Matthew Wakeling, )
  Re: Overusing 1 CPU  (Mozzi, )
   Re: Overusing 1 CPU  ("A. Kretschmer", )
   Re: Overusing 1 CPU  (Stephen Frost, )
   Re: Overusing 1 CPU  ("J. Roeleveld", )

On Wednesday 02 June 2010 13:37:37 Mozzi wrote:
> Hi
>
> Thanx mate Create Index seems to be the culprit.
> Is it normal to just use 1 cpu tho?

If it is a single-threaded process, then yes.
And a "Create index" on a single table will probably be single-threaded.

If you now start a "create index" on a different table, a different CPU should
be used for that.

>
> Mozzi
>
> On Wed, 2010-06-02 at 12:24 +0100, Matthew Wakeling wrote:
> > On Wed, 2 Jun 2010, Mozzi wrote:
> > > This box is basically adle @ the moment as it is still in testing yet
> > > top shows high usage on just 1 of the cores.
> >
> > First port of call: What process is using the CPU? Run top on a fairly
> > wide terminal and use the "c" button to show the full command line.
> >
> > Matthew
>


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