Apache BookKeeper™ 
Apache BookKeeper ReleasesDownloadReleases may be downloaded from Apache mirrors: Download Release NotesRelease notes for Apache BookKeeper releases are available in Jira: Browse release notes News14 Oct, 2014: release 4.3.0 availableThis is the seventh release of BookKeeper as a subproject of Zookeeper. This release includes a lot of improvements to the bookie on-disk performance, a new statistics framework, and protobuffer protocol support along with numerous bugfixes. See BookKeeper 4.3.0 Release Notes for details. 27 June, 2013: release 4.2.3 availableThis is the sixth release of BookKeeper as a subproject of Zookeeper. This is a bugfix release for 4.2.2. Notable fixes and improvements include new utilities to give administrators better visibility of cluster state (BOOKKEEPER-746), improvements to allow for smoother rolling upgrades (BOOKKEEPER-745), fixes to ledger polling to ensure metadata updates aren't missed (BOOKKEEPER-710 & BOOKKEEPER-747) and shading of protobuf libraries to avoid conflicts when included with other version (BOOKKEEPER-708). See BookKeeper 4.2.3 Release Notes for details. 9 Oct, 2013: release 4.2.2 availableThis is the fifth release of BookKeeper as a subproject of Zookeeper. This is a bugfix release for 4.2.1. There are some minor API improvements. Notably, it is now possible to check whether a ledger is closed without opening it, and it is now possible to get a list of ledgers available in the cluster. See BookKeeper 4.2.2 Release Notes for details. 27 Feb, 2013: release 4.2.1 availableThis is the fourth release of BookKeeper as a subproject of Zookeeper. 18 Jan, 2013: release 4.2.0 availableThis is the third release of BookKeeper as a subproject of Zookeeper. 12 Jun, 2012: release 4.1.0 availableThis is the second release of BookKeeper as a subproject of Zookeeper. 7 Dec, 2011: release 4.0.0 availableThis is the first release of BookKeeper as a subproject of Zookeeper. |