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https://issues.apache.org/jira/browse/HDFS-4059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13476736#comment-13476736
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Suresh Srinivas commented on HDFS-4059:
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Comment:
# Can you please add name and descrption to the metric, some thing like -
{{@Metric({"StaleDataNodes", "Number of datanodes marked stale due to delayed
heartbeat"}}}. Without this metric name is derived from the method name and
will have not descrption.
# Can the test be changed to not wait that long. Also can you avoid dependency
on timing by using a loop to wait for metric to reach the value?
> Add number of stale DataNodes to metrics
> ----------------------------------------
>
> Key: HDFS-4059
> URL: https://issues.apache.org/jira/browse/HDFS-4059
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: data-node, name-node
> Affects Versions: 3.0.0
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Priority: Minor
> Fix For: 1.1.0, 3.0.0, 2.0.3-alpha
>
> Attachments: HDFS-4059.trunk.001.patch
>
>
> Add the number of stale DataNodes to metrics.
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