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 ------ master Details ------- https://git.postgresql.org/pg/commitdiff/62b50ad698f8a789f92177ad72639f99d94d7d78 Modified Files -------------- doc/src/sgml/config.sgml | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
