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Zhe Zhang commented on HDFS-10534: ---------------------------------- Thanks [~lewuathe]! Screenshot looks very nice. On the first glance the js file added in the patch is very large. Is it necessary? I haven't actually applied and reviewed it, just a quick comment. > NameNode WebUI should display DataNode usage histogram > ------------------------------------------------------ > > Key: HDFS-10534 > URL: https://issues.apache.org/jira/browse/HDFS-10534 > Project: Hadoop HDFS > Issue Type: Improvement > Components: namenode, ui > Reporter: Zhe Zhang > Assignee: Kai Sasaki > Attachments: HDFS-10534.01.patch, HDFS-10534.02.patch, > HDFS-10534.03.patch, HDFS-10534.04.patch, HDFS-10534.05.patch, > HDFS-10534.06.patch, Screen Shot 2016-06-23 at 6.25.50 AM.png, Screen Shot > 2016-07-07 at 23.29.14.png > > > In addition of *Min/Median/Max*, another meaningful metric for cluster > balance is DN usage in histogram style. > Since NN already has provided necessary information to calculate histogram of > DN usage, it can be done in JS side. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: hdfs-issues-h...@hadoop.apache.org