Re: Idle processes chewing up CPU?

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От
Brendan Hill
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Re: Idle processes chewing up CPU?
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1abd01ca0fea$61c89660$2559c320$@net
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Idle processes chewing up CPU? "Brendan Hill" <brendanh@jims.net>
Re: Idle processes chewing up CPU? Tom Lane <tgl@sss.pgh.pa.us>
Re: Idle processes chewing up CPU? "Brendan Hill" <brendanh@jims.net>
Re: Idle processes chewing up CPU? Craig Ringer <craig@postnewspapers.com.au>
Re: Idle processes chewing up CPU? Craig Ringer <craig@postnewspapers.com.au>
Re: Idle processes chewing up CPU? "Brendan Hill" <brendanh@jims.net>
Re: Idle processes chewing up CPU? Craig Ringer <craig@postnewspapers.com.au>
Re: Idle processes chewing up CPU? "Brendan Hill" <brendanh@jims.net>
Re: Idle processes chewing up CPU? Craig Ringer <craig@postnewspapers.com.au>
Re: Idle processes chewing up CPU? "Brendan Hill" <brendanh@jims.net>
Re: Idle processes chewing up CPU? "Brendan Hill" <brendanh@jims.net>
Re: Idle processes chewing up CPU? Craig Ringer <craig@postnewspapers.com.au>
Re: Idle processes chewing up CPU? "Brendan Hill" <brendanh@jims.net>
Re: Idle processes chewing up CPU? Craig Ringer <craig@postnewspapers.com.au>
Re: Idle processes chewing up CPU? "Brendan Hill" <brendanh@jims.net>
Re: Idle processes chewing up CPU? Tom Lane <tgl@sss.pgh.pa.us>
Re: Idle processes chewing up CPU? "Brendan Hill" <brendanh@jims.net>
Re: Idle processes chewing up CPU? Tom Lane <tgl@sss.pgh.pa.us>
Re: Idle processes chewing up CPU? "Brendan Hill" <brendanh@jims.net>
Re: Idle processes chewing up CPU? Tom Lane <tgl@sss.pgh.pa.us>
Re: Idle processes chewing up CPU? "Brendan Hill" <brendanh@jims.net>
Re: Idle processes chewing up CPU? Tom Lane <tgl@sss.pgh.pa.us>
Re: Idle processes chewing up CPU? Magnus Hagander <magnus@hagander.net>
Re: Idle processes chewing up CPU? Scott Marlowe <scott.marlowe@gmail.com>
Hi Tom,

Given it's on Windows, any suggestion for how I would get hold of this?
(Process Monitor tool perhaps?)

Regards,
-Brendan

-----Original Message-----
From: Tom Lane [mailto:tgl@sss.pgh.pa.us] 
Sent: Wednesday, 29 July 2009 4:13 AM
To: Brendan Hill
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] Idle processes chewing up CPU? 

"Brendan Hill"  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:
> 

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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