Control is easily retained if you make pluggable the selection of shards to which you want to do the horizontal broadcast. The shard management layer shouldn't know or care what query you are doing and in most cases it should just use the trivial all-shards selection policy.
On Sun, Jan 17, 2010 at 7:34 AM, Yonik Seeley <yo...@lucidimagination.com>wrote: > > I would argue that the current model has been adopted out of necessity, > and > > not because of the users' preference. > > I think it's both - I've seen quite a few people that really wanted to > partition by time for example (and they made some compelling cases for > doing so). Seems like a good goal would be to support the customer > having various levels of control. -- Ted Dunning, CTO DeepDyve
