shared_buffers on Big RAM systems

From: Ron <ronljohnsonjr(at)gmail(dot)com>
To: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: shared_buffers on Big RAM systems
Date: 2018-12-13 15:17:43
Message-ID: b28c6930-5800-c821-95ee-0a065e6ff18e@gmail.com
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Hi,

https://www.postgresql.org/docs/9.6/runtime-config-resource.html

The docs say, "If you have a dedicated database server with 1GB or more of
RAM, a reasonable starting value for shared_buffers is 25%".

But that's pretty archaic in 2018.  What if the dedicated database server
has 128GB RAM?

Thanks.

--
Angular momentum makes the world go 'round.

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