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.com
 PostgreSQL Training, Services and Support


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