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https://issues.apache.org/jira/browse/HDFS-9882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Inigo Goiri updated HDFS-9882:
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Summary: Change the meaning of heartbeat latency in Datanode metrics (was:
Change the meaning of heartbeat latency)
> Change the meaning of heartbeat latency 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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