[ https://issues.apache.org/jira/browse/HDFS-443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE updated HDFS-443:
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Component/s: name-node
> New metrics in namenode to capture lost heartbeats.
> ---------------------------------------------------
>
> Key: HDFS-443
> URL: https://issues.apache.org/jira/browse/HDFS-443
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: 0.21.0
> Reporter: Jitendra Nath Pandey
> Assignee: Jitendra Nath Pandey
> Fix For: 0.21.0
>
> Attachments: HDFS-443-2.patch, HDFS-443-3.patch, HDFS-443.patch
>
>
> Number of lost heartbeats metrics will count the heartbeats that namenode didn't receive
in a heartbeat interval. This will help operations team to detect the network issues or bad
datanode behaviors early on.
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