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https://issues.apache.org/jira/browse/YARN-5637?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15498281#comment-15498281
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Jian He commented on YARN-5637:
-------------------------------
lgtm, only comment is
This
{code}
if (oldLaunchContext != null) {
this.oldLaunchContext = oldLaunchContext;
this.oldResourceSet = oldResourceSet;
} else {
this.oldLaunchContext = null;
this.oldResourceSet = null;
}
{code}
seems equivalent to
{code}
this.oldLaunchContext = oldLaunchContext;
this.oldResourceSet = oldResourceSet;
{code}
> Changes in NodeManager to support Container rollback and commit
> ---------------------------------------------------------------
>
> Key: YARN-5637
> URL: https://issues.apache.org/jira/browse/YARN-5637
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Arun Suresh
> Assignee: Arun Suresh
> Attachments: YARN-5637.001.patch, YARN-5637.002.patch,
> YARN-5637.003.patch, YARN-5637.004.patch, YARN-5637.005.patch,
> YARN-5637.006.patch
>
>
> YARN-5620 added support for re-initialization of Containers using a new
> launch Context.
> This JIRA proposes to use the above feature to support upgrade and subsequent
> rollback or commit of the upgrade.
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