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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-13655) Adding missing ClientProtocol methods to RBF
Date Mon, 04 Jun 2018 23:19:00 GMT
Xiao Chen created HDFS-13655:
--------------------------------

             Summary: Adding missing ClientProtocol methods to RBF
                 Key: HDFS-13655
                 URL: https://issues.apache.org/jira/browse/HDFS-13655
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Xiao Chen


As discussed with [~elgoiri], there are some HDFS methods that does not take path as a parameter.
We should support these to work with federation.

The ones missing are:
 * Snapshots
 * Storage policies
 * Encryption zones
 * Cache pools

One way to reasonably have them to work with federation is to 'list' each nameservice and
concat the results. This can be done pretty much the same as {{refreshNodes()}} and it
would be a matter of querying all the subclusters and aggregate the output (e.g., {{getDatanodeReport()}}.)



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