On Thu, Jul 13, 2017 at 7:38 AM, Amit Kapila <amit.kapil...@gmail.com> wrote: > On Wed, Jul 12, 2017 at 11:20 PM, Jeff Janes <jeff.ja...@gmail.com> wrote: >> >> >> >> Setting parallel_workers to 8 changes the threshold for the parallel to even >> be considered from parellel_tuple_cost <= 0.0049 to <= 0.0076. So it is >> going in the correct direction, but not by enough to matter. >> > > You might want to play with cpu_tuple_cost and or seq_page_cost. >
I don't know whether the patch will completely solve your problem, but this seems to be the right thing to do. Do you think we should stick this for next CF? -- With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers