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https://issues.apache.org/jira/browse/YARN-8018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16413290#comment-16413290
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Gour Saha commented on YARN-8018:
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[~csingh], now I understand that I actually overlooked the clusterName during
my first round review. In that case, we don't need to create a new directory
hierarchy like .yarn/upgrade/services/. We can just create the upgrade dir
under .yarn/services/<clusterName>/upgrade/<version>. Do you agree? Am I
overlooking anything again?
> Yarn service: Add support for initiating service upgrade
> --------------------------------------------------------
>
> Key: YARN-8018
> URL: https://issues.apache.org/jira/browse/YARN-8018
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Chandni Singh
> Assignee: Chandni Singh
> Priority: Major
> Attachments: YARN-8018.001.patch, YARN-8018.002.patch,
> YARN-8018.003.patch, YARN-8018.004.patch, YARN-8018.005.patch,
> YARN-8018.006.patch
>
>
> Add support for initiating service upgrade which includes the following main
> changes:
> # Service API to initiate upgrade
> # Persist service version on hdfs
> # Start the upgraded version of service
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