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https://issues.apache.org/jira/browse/YARN-8867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16750495#comment-16750495
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Eric Yang commented on YARN-8867:
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[~csingh] Thanks for the patch 007. {code}public
ProviderService.ResolvedLaunchParams call() { {code} . This method may return
null when service fails to launch. It would be good to change the return null
to return a failed state. This ensure the output does not container null
string and caller handles the null pointer gracefully.
> Retrieve the status of resource localization
> --------------------------------------------
>
> Key: YARN-8867
> URL: https://issues.apache.org/jira/browse/YARN-8867
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Reporter: Chandni Singh
> Assignee: Chandni Singh
> Priority: Major
> Attachments: YARN-8867.001.patch, YARN-8867.002.patch,
> YARN-8867.003.patch, YARN-8867.004.patch, YARN-8867.005.patch,
> YARN-8867.006.patch, YARN-8867.007.patch, YARN-8867.wip.patch
>
>
> Refer YARN-3854.
> Currently NM does not have an API to retrieve the status of localization.
> Unless the client can know when the localization of a resource is complete
> irrespective of the type of the resource, it cannot take any appropriate
> action.
> We need an API in {{ContainerManagementProtocol}} to retrieve the status on
> the localization.
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