Zhe Zhang created HDFS-10534:
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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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