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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8867) Retrieve the status of resource localization
Date Wed, 23 Jan 2019 22:43:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16750495#comment-16750495

Eric Yang commented on YARN-8867:

[~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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