Horton

doc: update bgwriter description

Bruce Momjian <bruce@momjian.us>

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Commit: 62b50ad698f8a789f92177ad72639f99d94d7d78
Author: Bruce Momjian <bruce@momjian.us>
Date: 2020-11-16T18:13:43Z
Releases: 14.0 
doc:  update bgwriter description

This clarifies exactly what the bgwriter does, which should help with
tuning.

Reported-by: Chris Wilson

Discussion: https://postgr.es/m/160399562040.7809.7335281028960123489@wrigleys.postgresql.org

Backpatch-through: 9.5

Files

PathChange+/−
doc/src/sgml/config.sgml modified +5 −2

Documentation touched