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pgsql: Doc: mention that VACUUM can't utilize over 1GB of RAM

From:	David Rowley <drowley(at)postgresql(dot)org>
To:	pgsql-committers(at)lists(dot)postgresql(dot)org
Subject:	pgsql: Doc: mention that VACUUM can't utilize over 1GB of RAM
Date:	2021-07-04 10:32:31
Message-ID:	E1lzzQN-00033Y-O9@gemulon.postgresql.org
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Doc: mention that VACUUM can't utilize over 1GB of RAM

Document that setting maintenance_work_mem to values over 1GB has no
effect on VACUUM.

Reported-by: Martín Marqués
Author: Laurenz Albe
Discussion: https://postgr.es/m/CABeG9LsZ2ozUMcqtqWu_-GiFKB17ih3p8wBHXcpfnHqhCnsc7A%40mail.gmail.com
Backpatch-through: 9.6, oldest supported release

Branch
------
REL_10_STABLE

Modified Files
--------------
doc/src/sgml/config.sgml | 6 ++++++
1 file changed, 6 insertions(+)

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