Re: stress test for parallel workers - Mailing list pgsql-hackers

From Heikki Linnakangas
Subject Re: stress test for parallel workers
Date
Msg-id 953ce625-74b1-cfcc-3814-0b0f6e189bc0@iki.fi
Whole thread Raw
In response to Re: stress test for parallel workers  (Thomas Munro <thomas.munro@gmail.com>)
Responses Re: stress test for parallel workers
List pgsql-hackers
On 07/08/2019 02:57, Thomas Munro wrote:
> On Wed, Jul 24, 2019 at 5:15 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> So I think I've got to take back the assertion that we've got
>> some lurking generic problem.  This pattern looks way more
>> like a platform-specific issue.  Overaggressive OOM killer
>> would fit the facts on vulpes/wobbegong, perhaps, though
>> it's odd that it only happens on HEAD runs.
> 
> chipmunk also:
> 
> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=chipmunk&dt=2019-08-06%2014:16:16
> 
> I wondered if the build farm should try to report OOM kill -9 or other
> signal activity affecting the postmaster.

FWIW, I looked at the logs in /var/log/* on chipmunk, and found no 
evidence of OOM killings. I can see nothing unusual in the OS logs 
around the time of that failure.

- Heikki



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