Re: User concurrency thresholding: where do I look?

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От Tom Lane
Тема Re: User concurrency thresholding: where do I look?
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Msg-id 12002.1184955831@sss.pgh.pa.us
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Ответ на Re: User concurrency thresholding: where do I look?  ("Jignesh K. Shah" <J.K.Shah@Sun.COM>)
Ответы Re: User concurrency thresholding: where do I look?  ("Jignesh K. Shah" <J.K.Shah@Sun.COM>)
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"Jignesh K. Shah" <J.K.Shah@Sun.COM> writes:
> There are no hard failures reported anywhere. Log min durations does
> show that queries are now slowing down and taking longer.
> OS is not swapping and also eliminated IO  by putting the whole database
> on /tmp

Hmm.  Do you see any evidence of a context swap storm (ie, a drastic
increase in the context swaps/second reading reported by vmstat)?

            regards, tom lane

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