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https://issues.apache.org/jira/browse/AMBARI-21148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vitaly Brodetskyi updated AMBARI-21148:
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Attachment: AMBARI-21148.patch
> Add a flag to indicate NN restart is rolling
> --------------------------------------------
>
> Key: AMBARI-21148
> URL: https://issues.apache.org/jira/browse/AMBARI-21148
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 3.0.0
> Reporter: Vitaly Brodetskyi
> Assignee: Vitaly Brodetskyi
> Priority: Critical
> Fix For: 3.0.0
>
> Attachments: AMBARI-21148.patch
>
>
> If restart is rolling stack script should wait for NN to be out of safemode
> with large timeout.
> Rolling indicates its an HDFS level restart so NN restart needs to be up and
> accepting requests before we move on.
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