Ajay Kumar created HDFS-13055:
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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 UI.
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