6.1. HDFS

Starting HDFS via Ambari overrides certain parameters in hdfs-site.xml. To reinstate the lost Ranger parameters so that the HDFS plug-in can function, do the following:

  1. In the Ambari console, go to the HDFS Config tab.

  2. At Advance gdfs-site configuration, under Custom-hdfs-site, set dfs.permissions.enabled to true.

  3. Restart HDFS via Ambari. The changes you just made are effective immediately, and the Ranger HDFS plug-in is enabled.

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