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From "Ajay Kumar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-13055) Aggregate usage statistics from datanodes
Date Tue, 23 Jan 2018 22:58:00 GMT
Ajay Kumar created HDFS-13055:

             Summary: Aggregate usage statistics from datanodes
                 Key: HDFS-13055
                 URL: https://issues.apache.org/jira/browse/HDFS-13055
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Ajay Kumar
            Assignee: Ajay Kumar

We collect variety of statistics in DataNodes and expose them via JMX. Aggregating some of
the high level statistics which we are already collecting in {{DataNodeMetrics}} (like bytesRead,bytesWritten
etc) over a configurable time window will create a central repository accessible via JMX and

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