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From "Xiaobing Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-11194) Maintain aggregated peer performance metrics on NameNode
Date Thu, 01 Dec 2016 00:28:58 GMT
Xiaobing Zhou created HDFS-11194:
------------------------------------

             Summary: Maintain aggregated peer performance metrics on NameNode
                 Key: HDFS-11194
                 URL: https://issues.apache.org/jira/browse/HDFS-11194
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Xiaobing Zhou
            Assignee: Xiaobing Zhou


HDFS-10917 added various peer performance metrics on individual DataNode. These metrics should
be reported to NameNode as part of heart beat messages. In addition, NameNode should maintain
the corresponding metrics but in a way of aggregation, and therefore friendly consumable by
DataNode self-healing actions afterwards.



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