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List:       pgsql-performance
Subject:    Re: OOM Killer kills PostgreSQL
From:       Stephen Frost <sfrost () snowman ! net>
Date:       2020-05-20 16:54:19
Message-ID: 20200520165419.GH3418 () tamriel ! snowman ! net
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Greetings,

* Piotr W=C5=82odarczyk (piotrwlodarczyk89@gmail.com) wrote:
> We met unexpected PostgreSQL shutdown. After a little investigation we've
> discovered that problem is in OOM killer which kills our PostgreSQL.

You need to configure your system to not overcommit.

Read up on overcommit_ratio and overcommit_memory Linux settings.

Thanks,

Stephen

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