Re: Postgresql db crash and recovery mode

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Latif güdük <latifguduk(at)gmail(dot)com>
Cc: pgsql-admin(at)lists(dot)postgresql(dot)org
Subject: Re: Postgresql db crash and recovery mode
Date: 2021-10-05 14:58:27
Message-ID: 4071312.1633445907@sss.pgh.pa.us
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=?UTF-8?B?TGF0aWYgZ8O8ZMO8aw==?= <latifguduk(at)gmail(dot)com> writes:
> One of our production database crashed and got FATAL: the database system
> is in recovery mode. You can find OS version and db version info below.

> 2021-10-05 17:01:08.103 +03 20248 LOG: server process (PID 158856)
> was terminated by signal 9: Killed

That is an external kill. If you didn't do it manually, it's most likely
the Linux OOM killer in action. See

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

regards, tom lane

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