Re: postmaster has high CPU (system) utilization

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От Manfred Koizar
Тема Re: postmaster has high CPU (system) utilization
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Msg-id j2j38v82ttjd82evncui4trolep6jl6cgp@4ax.com
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Ответ на postmaster has high CPU (system) utilization  (Trevor Bylsma <tbylsma@atreus-systems.com>)
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On 17 Mar 2003 18:10:14 -0500, Trevor Bylsma
<tbylsma@atreus-systems.com> wrote:
>postmaster will use most of the CPU for an extended amount of time
>(which isn't odd) but 75% of that is system level (which seems odd)...

You have not told us anything about your hardware and operating
system, but if you are running Linux and if you have IDE drives and if
DMA is not enabled, then

    hdparm -d 1 /dev/hd<x>

might help.

>Mem:   257136K av,  241656K used,   15480K free,  147956K shrd,   55740K buff

BTW, I hope "147956K shrd" is not exclusively due to Postgres shared
buffers.

Servus
 Manfred


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