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https://issues.apache.org/jira/browse/AMBARI-9219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antonenko Alexander updated AMBARI-9219:
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Attachment: prop-host-switch.tiff
> HDFS should not need restart after adding second Hive component
> ---------------------------------------------------------------
>
> Key: AMBARI-9219
> URL: https://issues.apache.org/jira/browse/AMBARI-9219
> Project: Ambari
> Issue Type: Bug
> Components: ambari-web
> Affects Versions: 2.0.0
> Reporter: Antonenko Alexander
> Assignee: Antonenko Alexander
> Priority: Critical
> Fix For: 2.0.0
>
> Attachments: prop-host-switch.tiff
>
>
> 1) I added a second Hive Metastore, which also updates the proxyuser for hcat
> to core-site
> 2) this requires a restart to NN and SNN, which is OK
> 3) then I went to add a second HiveServer2, that again updates the proxyuser,
> just switches the order of the existing hosts in the property.
> 4) that property change should not have happened. There is no reason to force
> another restart when the host list is not actually changing. So on property
> update, we should not make the change if the host list is effectively the
> same.
> See screen shot.
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