On Mon, Oct 10, 2011 at 04:10:18PM -0500, Kevin Grittner wrote: > Did you ever see much contention on > SerializablePredicateLockListLock, or was it just > SerializableXactHashLock? I think the former might be able to use > the non-blocking techniques, but I fear the main issue is with the > latter, which seems like a harder problem.
No, not that I recall -- if SerializablePredicateLockListLock was on the list of contended locks, it was pretty far down. SerializableXactHashLock was the main bottleneck, and SerializableXactFinishedListLock was a lesser but still significant one. Dan -- Dan R. K. Ports MIT CSAIL http://drkp.net/ -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
