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From "Ajay Kumar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-13055) Aggregate usage statistics from datanodes
Date Wed, 24 Jan 2018 02:12:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-13055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16336760#comment-16336760

Ajay Kumar commented on HDFS-13055:

Attaching initial patch for review. Will add test case soon.

> 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
> 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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