Re: Slow copy with little CPU/disk usage

От: Jim C. Nasby
Тема: Re: Slow copy with little CPU/disk usage
Дата: ,
Msg-id: 20050420222302.GX58835@decibel.org
(см: обсуждение, исходный текст)
Ответ на: Re: Slow copy with little CPU/disk usage  (Greg Stark)
Список: pgsql-performance

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Slow copy with little CPU/disk usage  ("Jim C. Nasby", )
 Re: Slow copy with little CPU/disk usage  (Tom Lane, )
  Re: Slow copy with little CPU/disk usage  (Mischa Sandberg, )
   Re: Slow copy with little CPU/disk usage  ("Jim C. Nasby", )
 Re: Slow copy with little CPU/disk usage  (Greg Stark, )
  Re: Slow copy with little CPU/disk usage  ("Jim C. Nasby", )

No, he's using either COPY or \COPY.

On Wed, Apr 20, 2005 at 12:34:27AM -0400, Greg Stark wrote:
> "Jim C. Nasby" <> writes:
>
> > What's really odd is that neither the CPU or the disk are being
> > hammered. The box appears to be pretty idle; the postgresql proces is
> > using 4-5% CPU.
>
> Is he committing every row? In that case you would see fairly low i/o
> bandwidth usage because most of the time is being spent seeking and waiting
> for rotational latency.
>
> --
> greg
>

--
Jim C. Nasby, Database Consultant               
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