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https://issues.apache.org/jira/browse/HDFS-8880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14900911#comment-14900911
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Allen Wittenauer commented on HDFS-8880:
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Isn't this effectively the same as using the file-based metrics2 sink, except
specific to HDFS rather than generic for all services?
> NameNode metrics logging
> ------------------------
>
> Key: HDFS-8880
> URL: https://issues.apache.org/jira/browse/HDFS-8880
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Fix For: 2.8.0
>
> Attachments: HDFS-8880.01.patch, HDFS-8880.02.patch,
> HDFS-8880.03.patch, HDFS-8880.04.patch, namenode-metrics.log
>
>
> The NameNode can periodically log metrics to help debugging when the cluster
> is not setup with another metrics monitoring scheme.
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