On Feb 3, 2010, at 4:53 AM, Brian Candler wrote: > On Tue, Feb 02, 2010 at 09:41:28PM +0000, Robert Newson wrote: >> If couchdb tracked replication by a Merkle tree, it would obsolete the >> update_seq mechanism? > > Only if you weren't doing filtered/selective replication. And probably only > if there was nothing else different between the two databases (e.g. _local > docs, _design docs, reader acls etc)
Correct, Merkle trees are only useful if you expect the two databases to be completely identical. But Bob's right, I'm essentially proposing that our by_seq btree is extended into a full Merkle tree for this particular use-case. Adam
