Re: BUG #17159: PostgreSQL13.3:TPCH-Few queries Failed-no connection to the server Vuser

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: arjunshetty955(at)gmail(dot)com
Cc: pgsql-bugs(at)lists(dot)postgresql(dot)org
Subject: Re: BUG #17159: PostgreSQL13.3:TPCH-Few queries Failed-no connection to the server Vuser
Date: 2021-08-25 14:19:04
Message-ID: 545082.1629901144@sss.pgh.pa.us
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PG Bug reporting form <noreply(at)postgresql(dot)org> writes:
> EDT [767490] LOG: background worker "parallel worker" (PID 767794) was
> terminated by signal 9: Killed

You need to prevent the OOM killer from acting.

https://www.postgresql.org/docs/current/kernel-resources.html#LINUX-MEMORY-OVERCOMMIT

regards, tom lane

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