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From: Johannes Truschnigg <johannes@truschnigg.info>
To: pgsql-admin@lists.postgresql.org
Subject: Re: RHEL-8 Kernel Settings
Date: Fri, 11 Jun 2021 09:06:17 +0200
Message-ID: <20210611070617.GB5793@vault.lan> (raw)
In-Reply-To: <a21a096321d234c1fd1a3cb9842df8b8002aae34.camel@cybertec.at>
References: <B564BAE8-FC9F-4925-9D05-55F1F8181EAF@comcast.net>
	<a21a096321d234c1fd1a3cb9842df8b8002aae34.camel@cybertec.at>

On Fri, Jun 11, 2021 at 08:56:13AM +0200, Laurenz Albe wrote:
> [...]
> I recommend setting
>
>   vm.overcommit_memory = 2

Be careful with this though, most applications no not allocate memory as
thoughtfully as Postgres - so if your server is running any other kind of
service/software in addition to Postgres, you should make sure that can
survive Linux not overcommitting like there's no tomorrow, too.

-- 
with best regards:
- Johannes Truschnigg ( johannes@truschnigg.info )

www:   https://johannes.truschnigg.info/
phone: +43 650 2 133337
xmpp:  johannes@truschnigg.info

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