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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10534) NameNode WebUI should display DataNode usage rate with a certain percentile
Date Wed, 15 Jun 2016 21:26:10 GMT
Zhe Zhang created HDFS-10534:
--------------------------------

             Summary: NameNode WebUI should display DataNode usage rate with a certain percentile
                 Key: HDFS-10534
                 URL: https://issues.apache.org/jira/browse/HDFS-10534
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: namenode, ui
            Reporter: Zhe Zhang


In addition of *Min/Median/Max*, another meaningful metric for cluster balance is DN usage
rate at a certain percentile (e.g. 90 or 95). We should add a config option, and another filed
on NN WebUI, to display this.



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