The Apache Bookkeeper team is proud to announce Apache Bookkeeper
This is the fifth release of the Apache Bookkeeper subproject of
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.
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:
Bookkeeper 4.2.2 Release Notes are at:
We would like to thank the contributors that made the release
The Bookkeeper Team