On Tue, Jan 24, 2017 at 3:18 AM, Andrew Borodin <boro...@octonica.com> wrote: > Technically, approach of locking a subtree is not novel. Lehman and > Yao focused on "that any process for manipulating the tree uses only a > small (constant) number of locks at any time." We are locking unknown > and possibly large amount of pages.
By the way, can you show me where the Lehman and Yao paper addresses page recycling? It says that one approach is to allow fewer than K entries on a leaf node; presumably as few as zero. But it doesn't seem to show how to remove all references to the page and recycle it in a new place in the tree. Regards, Jeff Davis -- Sent via pgsql-hackers mailing list (email@example.com) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers