Re: Huge number of disk writes after migration to 8.1

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От Tom Lane
Тема Re: Huge number of disk writes after migration to 8.1
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Msg-id 25039.1137613181@sss.pgh.pa.us
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Ответ на Re: Huge number of disk writes after migration to 8.1  (Alvaro Herrera <alvherre@alvh.no-ip.org>)
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Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> Maybe the fact that the stat file is completely rewritten every 500 ms
> should be reconsidered, if in the future someone chooses to rewrite
> the stat system.  We can reconsider this part then, as well.

Yeah, it's becoming pretty obvious that that design does not scale very
well.  I don't immediately have any ideas about a better way though.

I am working on some marginal hacks like not writing more of the backend
activity strings than is needed, but it'd be nicer to think of a
different solution.

            regards, tom lane

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