Re: Puzzling full database lock

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От Carlos Mennens
Тема Re: Puzzling full database lock
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Msg-id CAAQLLO4MzKOAA3fLE=dJp6yprtH4OE=k0FyX6NgyTGcLuY7U3w@mail.gmail.com
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Ответ на Puzzling full database lock  (Christopher Opena <counterveil@gmail.com>)
Ответы Re: Puzzling full database lock  (Christopher Opena <counterveil@gmail.com>)
Re: Puzzling full database lock  (Alan Hodgson <ahodgson@simkin.ca>)
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On Wed, Feb 1, 2012 at 7:38 PM, Christopher Opena <counterveil@gmail.com> wrote:
> Hello folks,
>
> We've been running into some very strange issues of late with our PostgreSQL
> database(s).  We have an issue where a couple of queries push high CPU on a
> few of our processors and the entire database locks (reads, writes, console
> cannot be achieved unless the high CPU query procs are killed).  Further
> investigation shows ~59% total cpu usage (we have 16 total cores), low io,
> and mid-to-low memory usage (we have 74GB of memory, shared_buffers=16GB).

Just out of curiosity, what OS are you running?

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