On 2015-01-13 15:17:15 -0800, Peter Geoghegan wrote: > I'm inclined to think that this is a livelock, and so the problem > isn't evident from the structure of the B-Tree, but it can't hurt to > check.
My guess is rather that it's contention on the freelist lock via StrategyGetBuffer's. I've seen profiles like this due to exactly that before - and it fits to parallel loading quite well. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, 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
