Re: Idle processes chewing up CPU?

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От Tom Lane
Тема Re: Idle processes chewing up CPU?
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Msg-id 5359.1248804808@sss.pgh.pa.us
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Ответ на Idle processes chewing up CPU?  ("Brendan Hill" <brendanh@jims.net>)
Ответы Re: Idle processes chewing up CPU?
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"Brendan Hill" <brendanh@jims.net> writes:
> Using the Process Explorer tool, I've noticed that a child postgres.exe is
> chewing up 25% of the CPU usage each (we have two dual-core CPUs, presumably
> it's chewing up one core). Using SELECT * FROM pg_stat_activity, I located
> the process id (#3884), and it showed:
> <IDLE>

Hmph.  When a new command is received, there's some amount of parsing
overhead that happens before it changes the status display to not-IDLE,
but it shouldn't be minutes' worth.  Can you get a stack trace next time
that happens?

            regards, tom lane

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