Re: [HACKERS] pg_stat_activity.waiting_start

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От Andres Freund
Тема Re: [HACKERS] pg_stat_activity.waiting_start
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Msg-id 3A362399-E1F0-4543-B0F9-022F477EB52D@anarazel.de
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Ответ на Re: [HACKERS] pg_stat_activity.waiting_start  (Joel Jacobson <joel@trustly.com>)
Ответы Re: [HACKERS] pg_stat_activity.waiting_start  (Joel Jacobson <joel@trustly.com>)
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On December 25, 2016 1:21:43 AM GMT+01:00, Joel Jacobson <joel@trustly.com> wrote:

>Is it really a typical real-life scenario that processes can be
>waiting extremely often for extremely short periods of time,
>where the timing overhead would be significant?

Yes. Consider WAL insertion, procarray or other similar contended locks.

Andres
-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.



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