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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-5621) Support LinuxContainerExecutor to create symlinks for continuously localized resources
Date Mon, 19 Sep 2016 05:50:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-5621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15502377#comment-15502377
] 

Jian He edited comment on YARN-5621 at 9/19/16 5:49 AM:
--------------------------------------------------------

Hi [~chris.douglas], I had tried to implement with your approach. However,  this approach
will not work in rollback scenario, as in that case no resources need to be localized - hence,
no need to start the localizer processes. We only need to update the symlinks to old resources.
Overall, do you think the latest patch is fine 


was (Author: jianhe):
Hi [~chris.douglas], I had tried to implement with your approach. However,  this approach
will not work in rollback scenario, as in that case no resources need to be localized - hence,
no need to start the localizer processes. We only need to update the symlinks to old resources.
Overall, do you think the current approach is fine 

> Support LinuxContainerExecutor to create symlinks for continuously localized resources
> --------------------------------------------------------------------------------------
>
>                 Key: YARN-5621
>                 URL: https://issues.apache.org/jira/browse/YARN-5621
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: YARN-5621.1.patch, YARN-5621.2.patch, YARN-5621.3.patch, YARN-5621.4.patch,
YARN-5621.5.patch
>
>
> When new resources are localized, new symlink needs to be created for the localized resource.
This is the change for the LinuxContainerExecutor to create the symlinks.



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