Ambari User's Guide
Also available as:
PDF
loading table of contents...

How to rebalance HDFS

This topic describes how you can initiate an HDFS rebalance from Ambari.

  1. . In Ambari Web, browse to Services > HDFS > Summary.

  2. Select Service Actions, then choose Rebalance HDFS.

  3. Enter the Balance Threshold value as a percentage of disk capacity.

  4. Click Start to begin the rebalance.

  5. You can check rebalance progress or cancel a rebalance in process by opening the Background Operations dialog.