mongodb/casbah — pull request #49 by yegeniy (2012-02-28 15:22:19+00:00)
Title: OpLog can use replica sets

Still defaults to 'oplog.$main' for the OpLog collection name, but can be 'oplog.rs' if masterSlaveReplication is false
See docs at http://www.mongodb.org/display/DOCS/Replication+Oplog+Length

cc/ @dvingo, @yegeniy, @matthewfitz