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https://issues.apache.org/jira/browse/AMBARI-16018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15253052#comment-15253052
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Yusaku Sako commented on AMBARI-16018:
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+1 for the patch.
> Namenode RPC widget on Ambari Dashboard shows n/a
> -------------------------------------------------
>
> Key: AMBARI-16018
> URL: https://issues.apache.org/jira/browse/AMBARI-16018
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.2.2
> Reporter: Antonenko Alexander
> Assignee: Antonenko Alexander
> Priority: Critical
> Fix For: 2.2.2
>
> Attachments: AMBARI-16018_2.2.patch, AMBARI-16018_trunk.patch
>
>
> - I did an Ambari 2.4.0 install of HDP 2.4.0 (GA).
> - 3 node, hdfs, yarn, zk, ams
> - Ambari Web > Dashboard > NameNode RPC widget says 'n/a'
> The cluster has been running for close to an hour and these metrics are still
> not showing up.
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