Update reconfigurable properties on Hadoop node without restart.
Use JSON-based configuration format for Hadoop datanodes to create a whitelist and control put these in normal, decommissioned or maintenance state.
Rebalance data across HDFS cluster.
Perform HDFS audit logging.
Create Yarn nodes whitelist.
Save namespace on namenode and perform checkpoint on secondary namenode.
Inspect Hadoop configuration using command-line.
Mount HDFS as a local file system.