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https://issues.apache.org/jira/browse/AMBARI-20400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15945754#comment-15945754
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Di Li commented on AMBARI-20400:
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sure, let me revert 3ab4c8d2ae0a7f28bc73d8438f79d2f18f96cc01 from trunk first.
> Yarn should not copy Tez and Slider tar ball if Tez and Sliders are not
> installed on the cluster
> ------------------------------------------------------------------------------------------------
>
> Key: AMBARI-20400
> URL: https://issues.apache.org/jira/browse/AMBARI-20400
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: trunk
> Reporter: Di Li
> Assignee: Di Li
> Fix For: trunk
>
> Attachments: AMBARI-20400.patch, AMBARI-20400-v2.patch
>
>
> It's possible to install a cluster without Tez and Slider via blueprint. In
> this case, Yarn historyserver start logic prints two warnings about unable to
> copy tez and slider tar ball to HDFS.
> Yarn history server should skip the copy hdfs tar ball logic for tez and
> slider if they are not installed.
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