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From "Hua Liu (JIRA)" <j...@apache.org>
Subject [jira] [Work started] (HDFS-9882) Add heartbeatsTotal in Datanode metrics
Date Wed, 02 Mar 2016 18:12:18 GMT

     [ https://issues.apache.org/jira/browse/HDFS-9882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Work on HDFS-9882 started by Hua Liu.
-------------------------------------
> Add heartbeatsTotal in Datanode metrics
> ---------------------------------------
>
>                 Key: HDFS-9882
>                 URL: https://issues.apache.org/jira/browse/HDFS-9882
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: datanode
>    Affects Versions: 2.7.2
>            Reporter: Hua Liu
>            Assignee: Hua Liu
>            Priority: Minor
>         Attachments: 0001-Add-heartbeatsTotal-metric.patch
>
>
> Heartbeat latency only reflects the time spent on generating reports and sending reports
to NN. When heartbeats are delayed due to processing commands, this latency does not help
investigation. I would like to propose to add another metric counter to show the total time.




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