On 2015-08-19 10:55:00 -0400, Tom Lane wrote: > My own thought about reducing the cost of XidInMVCCSnapshot, if that > proves necessary, is that maybe it would be worth the trouble to sort > the arrays so we could use binary search. That would increase the > cost of snapshot acquisition noticeably though.
It's also considerably more expensive for search in many cases because it's very hard to predict (branching and prefetching). I doubt it'd be worthwhile. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
