The Apache BookKeeper team is proud to announce Apache BookKeeper version 4.2.1
This is the fourth release of the Apache BookKeeper subproject of ZooKeeper. This release fixes a major performance bug in release 4.2.0. All users of BookKeeper 4.2.0 should upgrade immediately. The BookKeeper project is made up of a distributed logging service called BookKeeper and a distributed publish/subscribe system build on top of BookKeeper called Hedwig. For BookKeeper release details and downloads, visit: http://zookeeper.apache.org/bookkeeper/releases.html BookKeeper 4.2.1 Release Notes are at: http://zookeeper.apache.org/bookkeeper/docs/r4.2.1/releaseNotes.html We would like to thank the contributors that made the release possible. Regards, The BookKeeper Team