Re: stats collector process high CPU utilization - Mailing list pgsql-performance

From Tom Lane
Subject Re: stats collector process high CPU utilization
Date
Msg-id 17817.1172789069@sss.pgh.pa.us
Whole thread Raw
In response to Re: stats collector process high CPU utilization  ("Merlin Moncure" <mmoncure@gmail.com>)
Responses Re: stats collector process high CPU utilization  ("Merlin Moncure" <mmoncure@gmail.com>)
List pgsql-performance
"Merlin Moncure" <mmoncure@gmail.com> writes:
> On 3/1/07, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> A further report led us to realize that 8.2.x in fact has a nasty bug
>> here: the stats collector is supposed to dump its stats to a file at
>> most every 500 milliseconds, but the code was actually waiting only
>> 500 microseconds :-(.  The larger the stats file, the more obvious
>> this problem gets.

> I think this explains the trigger that was blowing up my FC4 box.

I dug in the archives a bit and couldn't find the report you're
referring to?

            regards, tom lane

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