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https://issues.apache.org/jira/browse/YARN-8018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16414079#comment-16414079
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Chandni Singh commented on YARN-8018:
-------------------------------------
{quote}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?
{quote}
Yes there will no conflicts even if the service name is "upgrade". Will switch
back to previous version.
> 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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