Alvaro Herrera wrote: > "Parallel Query" got many mentions; some of them were specific commits > (such as "parallel infrastructure", "parallel joins", "parallel > aggregates") and others were more generic. For the generic mentions I > just chose a few of the most salient patches, but didn't include either > parallel aggregates nor parallel joins in that list. "LWLock tranches" > and "Freeze Map" also resulted in several commits appearing in the list > below. This distorts the results somewhat. I considered redoing the > results once I noticed the problem, but didn't really want to invest > *too* much time.
After looking at commits mentioning "parallel", I'm surprised that this one didn't turn up specifically as a scary commit: │ a1c1af2a1f6099c039f145c1edb52257f315be51 │ rh...@postgresql.org │ Introduce group locking to prevent parallel processes from deadlocking. │ -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
