On Thu, 2008-09-04 at 11:07 +0300, Heikki Linnakangas wrote: > Thanks for the review!
Not as thorough as I would have liked, I must admit. Thanks for the other confirmations. > Scenario: The binary tree on a page is corrupt, so that the value of an > upper node is > Max(leftchild, rightchild). > Consequence: Searchers will notice the corruption while trying to > traverse down that path, and throw an elog(WARNING) in search_avail(). > fsm_search will retry the search, and will in worst case go into an > infinite loop. That's obviously not good. We could automatically fix the > upper nodes of the tree, but that would wipe evidence that would be > useful in debugging. We probably need to break out of infinite loops, especially ones that output warning messages on each loop. :-) -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers