On Tue, Jan 13, 2015 at 5:49 PM, Peter Geoghegan <[email protected]> wrote: > On Tue, Jan 13, 2015 at 3:21 PM, Andres Freund <[email protected]> wrote: >> 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. > > I'm not saying you're wrong, but the breakdown of _bt_moveright() > relative to _bt_relandgetbuf() calls seems a bit fishy to me. > > I don't remember seeing _bt_moveright() or _bt_compare() figuring so > prominently, where _bt_binsrch() is nowhere to be seen. I can't see a > reference to _bt_binsrch() in either profile.
hm, this is hand compiled now, I bet the symbols are wrong. merlin -- Sent via pgsql-hackers mailing list ([email protected]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
