On Fri, 2008-08-29 at 10:47 +0300, Heikki Linnakangas wrote:
> - Per comments and discussion with Simon, I've changed the "bubble up"
> behavior so that when a bottom-level page is updated, if the amount of
> free space was decreased, the change is not immediately bubbled up to
> upper page. Instead, searchers that traverse down the tree will update
> the upper pages when they see that they're out of sync. This should
> alleviate the worry that we need to keep a bottom-level page exclusively
> locked across I/O.
Thanks for taking time with the new FSM.
-- Simon Riggs www.2ndQuadrant.comPostgreSQL Training, Services and Support