Move datanodes size printing to BlockManager from FSNameSystem's metasave API
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Key: HDFS-2363
URL: https://issues.apache.org/jira/browse/HDFS-2363
Project: Hadoop HDFS
Issue Type: Sub-task
Components: name-node
Affects Versions: 0.23.0, 0.24.0
Reporter: Uma Maheswara Rao G
Assignee: Uma Maheswara Rao G
Priority: Minor
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