Repeat commonly viewed statistics at the end of dfsadmin -report
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Key: HDFS-1545
URL: https://issues.apache.org/jira/browse/HDFS-1545
Project: Hadoop HDFS
Issue Type: Improvement
Components: tools
Affects Versions: 0.20.2
Reporter: Yipeng Huang
Priority: Trivial
Safemode status, datanode's available, and capacity are the most commonly
viewed statistics when running dfsadmin -report. They rightly appear first,
followed by the statistics of individual datanodes.
However with a large cluster, these commonly viewed statistics become obscured
by the length of the individual datanode statistics. It is a tad ridiculous to
have to have to grep or scroll to the top after a long list of nodes. For
convenience, these commonly viewed statistics should be repeated at the end of
the list.
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