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/[email protected] Backpatch-through: 9.5 Branch ------ REL_12_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/139c439730b1444be88203cf867e60dd7533b294 Modified Files -------------- doc/src/sgml/config.sgml | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
