On Thu, Jan 22, 2015 at 9:02 AM, Amit Kapila <amit.kapil...@gmail.com> wrote: >> I'm confused. Your actual test numbers seem to show that the >> performance with the block-by-block approach was slightly higher with >> parallelism than without, where as the performance with the >> chunk-by-chunk approach was lower with parallelism than without, but >> the text quoted above, summarizing those numbers, says the opposite. > > Sorry for causing confusion, I should have been more explicit about > explaining the numbers. Let me try again, > Values in columns is time in milliseconds to complete the execution, > so higher means it took more time. If you see in block-by-block, the > time taken to complete the execution with 2 workers is more than > no workers which means parallelism has degraded the performance.
*facepalm* Oh, yeah, right. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
