>>>> The process eats all the available memory and finally dies: >>>> # create extension postgis; >>>> ERROR: out of memory >>>> DETAIL: Failed on request of size 8265691 in memory context "PortalContext". >>>> Time: 773569.877 ms (12:53.570)
>> There is nothing in the log file except these (not from today, but the messages are always the same): >> 2020-07-03 16:52:16 CEST 53617 LOG: server process (PID 54070) was terminated by signal 9: Killed
>A process that was killed by the OOM killer would not have managed to >produce an "out of memory" ERROR report, so these two are different >symptoms. You need to reproduce the first case, or you won't have >any luck setting an error breakpoint either.
You're right, that was before we adjusted the oom behavior. Will get back once I have more information.