The Apache ZooKeeper team is proud to announce our first official Apache
release, version 3.0.0 of ZooKeeper.
ZooKeeper is a high-performance coordination service for distributed
applications. It exposes common services - such as naming, configuration
management, synchronization, and group services - in a simple interface
so you don't have to write them from scratch. You can use it
off-the-shelf to implement consensus, group management, leader election,
and presence protocols. And you can build on it for your own, specific
Version 3.0.0 is a major version upgrade from our previous 2.2.1 release
on SourceForge, it addresses over 100 issues. If you are upgrading be
sure to review the 3.0.0 release notes for migration instructions.