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From "Hua Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-9882) Add heartbeatsTotal in Datanode metrics
Date Tue, 01 Mar 2016 23:22:18 GMT

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

Hua Liu updated HDFS-9882:
    Summary: Add heartbeatsTotal in Datanode metrics  (was: Change the meaning of heartbeat
latency in Datanode metrics)

> Add heartbeatsTotal in Datanode metrics
> ---------------------------------------
>                 Key: HDFS-9882
>                 URL: https://issues.apache.org/jira/browse/HDFS-9882
>             Project: Hadoop HDFS
>          Issue Type: Task
>          Components: datanode
>            Reporter: Hua Liu
>            Assignee: Hua Liu
>            Priority: Minor
> 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 either (1) changing the heartbeat latency to reflect
the total time spent on sending reports and processing commands or (2) adding another metric
counter to show the total time. 

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