Apache BookKeeper Releases

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Release Notes

Release notes for Apache BookKeeper releases are available in Jira: Browse release notes

News

27 June, 2013: release 4.2.3 available

This 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 available

This 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 available

This is the fourth release of BookKeeper as a 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.
See BookKeeper 4.2.1 Release Notes for details.

18 Jan, 2013: release 4.2.0 available

This is the third release of BookKeeper as a subproject of Zookeeper.
See BookKeeper 4.2.0 Release Notes for details.

12 Jun, 2012: release 4.1.0 available

This is the second release of BookKeeper as a subproject of Zookeeper.
See BookKeeper 4.1.0 Release Notes for details.

7 Dec, 2011: release 4.0.0 available

This is the first release of BookKeeper as a subproject of Zookeeper.
See BookKeeper 4.0.0 Release Notes for details.