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# Apache Hadoop  3.0.3 Release Notes

These release notes cover new developer and user-facing incompatibilities, important issues, features, and major improvements.


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* [HDFS-13099](https://issues.apache.org/jira/browse/HDFS-13099) | *Minor* | **RBF: Use the ZooKeeper as the default State Store**

Change default State Store from local file to ZooKeeper. This will require additional zk address to be configured.