Peter Geoghegan <p...@heroku.com> writes: > On Wed, May 18, 2016 at 3:40 AM, Robert Haas <robertmh...@gmail.com> wrote: >> What I'm tempted to do is trying to document that, as a point of >> policy, parallel query in 9.6 uses up to (workers + 1) times the >> resources that a single session might use. That includes not only CPU >> but also things like work_mem and temp file space. This obviously >> isn't ideal, but it's what could be done by the ship date.
> Where would that be documented, though? Would it need to be noted in > the case of each such GUC? Why can't we just note this in the number-of-workers GUCs? It's not like there even *is* a GUC for many of our per-process resource consumption behaviors. regards, tom lane -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers