On 13 December 2012 20:03, Andres Freund <and...@2ndquadrant.com> wrote:
> Does anybody have an opinion on the attached patches? Especially 0001, > which contains the procarray changes? > > It moves a computation of the sort of: > > result -= vacuum_defer_cleanup_age; > if (!TransactionIdIsNormal(result)) > result = FirstNormalTransactionId; > > inside ProcArrayLock. But I can't really imagine that to be relevant... I don't see why this is hard. Just make the lock acquisition/release conditional on another parameter. That way the only thing you'll be moving inside the lock is an if test on a constant boolean. -- Simon Riggs 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