On Sat, Mar 4, 2017 at 12:43 AM, Robert Haas <robertmh...@gmail.com> wrote: > Oh. But then I don't see why you need min_parallel_anything. That's > just based on an estimate of the amount of data per worker vs. > maintenance_work_mem, isn't it?
Yes -- and it's generally a pretty good estimate. I don't really know what minimum amount of memory to insist workers have, which is why I provisionally chose one of those GUCs as the threshold. Any better ideas? -- Peter Geoghegan -- Sent via pgsql-hackers mailing list (firstname.lastname@example.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers