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doc: improve wal_level docs for the 'minimal' level

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Reported-by: David G. Johnston

Discussion: https://postgr.es/m/CAKFQuwZ24UcfkoyLLSW3PMGQATomOcw1nuYFRuMev-NoOF+mYw@mail.gmail.com

Author: David G. Johnston

Backpatch-through: 14, partial to 13
This commit is contained in:
Bruce Momjian
2022-08-12 10:30:00 -04:00
parent ec55acbda5
commit 483c426abd
1 changed files with 4 additions and 3 deletions
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7
doc/src/sgml/config.sgml
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@ -2582,9 +2582,10 @@ include_dir 'conf.d'
levels. This parameter can only be set at server start.
</para>
<para>
In <literal>minimal</literal> level, no information is logged for
permanent relations for the remainder of a transaction that creates or
rewrites them. This can make operations much faster (see
The <literal>minimal</literal> level generates the least WAL
volume. It logs no row information for permanent relations
in transactions that create or
rewrite them. This can make operations much faster (see
<xref linkend="populate-pitr"/>). Operations that initiate this
optimization include:
<simplelist>