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From "Ajay Kumar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-13055) Aggregate usage statistics from datanodes
Date Mon, 19 Mar 2018 22:51:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ajay Kumar updated HDFS-13055:
------------------------------
    Description: 
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. 

Breaking this into 3 parts as suggested by [~arpitagarwal]
 # Generate usage report on DN. (will handle in this jira)
 # Pass usage report to NN periodically.
 # Process report on NN and expose stats via JMX.
 

  was: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.


> 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
>            Priority: Major
>         Attachments: HDFS-13055.001.patch, HDFS-13055.002.patch, HDFS-13055.003.patch,
HDFS-13055.004.patch, HDFS-13055.005.patch, HDFS-13055.006.patch, HDFS-13055.007.patch, HDFS-13055.008.patch
>
>
> 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. 
> Breaking this into 3 parts as suggested by [~arpitagarwal]
>  # Generate usage report on DN. (will handle in this jira)
>  # Pass usage report to NN periodically.
>  # Process report on NN and expose stats via JMX.
>  



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