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https://issues.apache.org/jira/browse/HDFS-7773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14327959#comment-14327959
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Chris Nauroth commented on HDFS-7773:
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The failure of {{TestDFSHAAdminMiniCluster}} is unrelated, and it's tracked
separately in HDFS-7813.
The other failures appear to be the flaky Jenkins behavior we've seen lately,
resulting in {{NoClassDefFoundError}}. They don't repro locally for me.
Anu, this is all ready to commit to trunk, but I just remembered we'll need a
separate patch file for branch-2. The only difference is that instead of
modifying Metrics.md, you'll need to make the equivalent changes in
Metrics.apt.vm. The documentation only just recently converted to markdown.
That conversion was only done on trunk, hence the need for a separate patch.
Thanks!
> Additional metrics in HDFS to be accessed via jmx.
> --------------------------------------------------
>
> Key: HDFS-7773
> URL: https://issues.apache.org/jira/browse/HDFS-7773
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode, namenode
> Reporter: Anu Engineer
> Assignee: Anu Engineer
> Attachments: hdfs-7773.001.patch, hdfs-7773.002.patch,
> hdfs-7773.003.patch
>
>
> We would like to have the following metrics added to DataNode and name node
> this to improve Ambari dashboard
> 1) DN disk i/o utilization
> 2) DN network i/o utilization
> 3) Namenode read operations
> 4) Namenode write operations
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