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https://issues.apache.org/jira/browse/AMBARI-3087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xi Wang updated AMBARI-3087:
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Attachment: AMBARI-3087.patch
> Ambari dashboard does not update when datanodes are lost
> --------------------------------------------------------
>
> Key: AMBARI-3087
> URL: https://issues.apache.org/jira/browse/AMBARI-3087
> Project: Ambari
> Issue Type: Bug
> Components: client
> Affects Versions: 1.4.0
> Reporter: Xi Wang
> Assignee: Xi Wang
> Fix For: 1.4.0
>
> Attachments: AMBARI-3087.patch
>
>
> When a host goes offline completely, Ambari will not update the dashboard to
> reflect the loss of the datanode. Attached is a screenshot of the dashboard
> showing 8/8 active DNs, whereas the HDFS service page shows 6/8.
> This happened on sedemo when a server died and killed all the hosted VMs.
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