On Tue, May 31, 2016 at 10:10 AM, Josh berkus <j...@agliodbs.com> wrote: > "max_parallel_degree is the amount of parallelism in the query, with the > understanding that the original parent process counts as 1, which means > that if you set it to 1 you get no parallelism, and if you want 4 > parallel workers you need to set it to 5." > > Which one of those is going to require more explanations on -general and > -novice? Bets? > > Let's not be complicated for the sake of being complicated.
But the distinction between parallel workers and backends that can participate in parallel query does need to be user-visible. Worker processes are a commodity (i.e. the user must consider max_worker_processes). -- 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