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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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Hua Liu updated HDFS-9882:
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Description: 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. (was: 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. )
> 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
> to add another metric counter to show the total time.
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