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https://issues.apache.org/jira/browse/YARN-5621?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15475838#comment-15475838
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Jian He edited comment on YARN-5621 at 9/9/16 4:14 AM:
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Hi Chris, thanks for chime in.
bq. Is the patch intended for another JIRA
Yes, the patch is intended for the parent jira to create the new symlinks when
new resource is localized.
bq. LCE already supports symlink, right?
No, It doesn't support it today. If I'm not missing something, only the
container_launch script internally will also create all the symlinks needed
before it launches the container. Also, it's a script because it's not just a
single ln operation, it also needs to create any missing parent directories if
needed as done in current container_launch script.
bq. Why relax this constraint?
Because the passed in symlink path is an absolute path
was (Author: jianhe):
Hi Chris, thanks for chime in.
bq. Is the patch intended for another JIRA
Yes, the patch is intended for the parent jira to create the new symlinks when
new resource is localized.
bq. LCE already supports symlink, right?
No, It doesn't support it today. If I'm not missing something, only the
container_launch script internally will also create all the symlinks needed
before it launches the container.
bq. Why relax this constraint?
Because the passed in symlink path is an absolute path
> Support LinuxContainerExecutor to create symlinks
> -------------------------------------------------
>
> 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
>
>
> 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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