Re: Linux mis-reporting memory

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От Gregory Stark
Тема Re: Linux mis-reporting memory
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Msg-id 87r6ksuzf8.fsf@oxford.xeocode.com
обсуждение исходный текст
Ответ на Re: Linux mis-reporting memory  (Csaba Nagy <nagy@ecircle-ag.com>)
Ответы Re: Linux mis-reporting memory  (Csaba Nagy <nagy@ecircle-ag.com>)
Re: Linux mis-reporting memory  (Decibel! <decibel@decibel.org>)
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"Csaba Nagy" <nagy@ecircle-ag.com> writes:

> On Fri, 2007-09-21 at 09:03 +0100, Gregory Stark wrote:
>> >> Mem:  32945280k total, 32871832k used,    73448k free,   247432k buffers
>> >> Swap:  1951888k total,    42308k used,  1909580k free, 30294300k cached
>> >
>> It seems to imply Linux is paging out sysV shared memory. In fact some of
>> Heikki's tests here showed that Linux would do precisely that.
>
> But then why is it not reporting that in the "Swap: used" section ? It
> only reports 42308k used swap.

Hm, good point.

The other possibility is that Postgres just hasn't even touched a large part
of its shared buffers.

--
  Gregory Stark
  EnterpriseDB          http://www.enterprisedb.com

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