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https://issues.apache.org/jira/browse/YARN-7654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16453119#comment-16453119
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Jason Lowe commented on YARN-7654:
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I am not proposing to postpone the execv changes, rather to break up the
changes. We do not have to put in the entry point feature before the execv
change. It sounds like it would be easier to do the execv changes first, then
build the entry point feature on top of that. That's fine with me, but they
should not be coupled in the same JIRA since one does not require the other (in
a semantic sense).
> Support ENTRY_POINT for docker container
> ----------------------------------------
>
> Key: YARN-7654
> URL: https://issues.apache.org/jira/browse/YARN-7654
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Affects Versions: 3.1.0
> Reporter: Eric Yang
> Assignee: Eric Yang
> Priority: Blocker
> Attachments: YARN-7654.001.patch, YARN-7654.002.patch,
> YARN-7654.003.patch, YARN-7654.004.patch, YARN-7654.005.patch,
> YARN-7654.006.patch, YARN-7654.007.patch, YARN-7654.008.patch,
> YARN-7654.009.patch, YARN-7654.010.patch, YARN-7654.011.patch,
> YARN-7654.012.patch, YARN-7654.013.patch, YARN-7654.014.patch,
> YARN-7654.015.patch, YARN-7654.016.patch, YARN-7654.017.patch
>
>
> Docker image may have ENTRY_POINT predefined, but this is not supported in
> the current implementation. It would be nice if we can detect existence of
> {{launch_command}} and base on this variable launch docker container in
> different ways:
> h3. Launch command exists
> {code}
> docker run [image]:[version]
> docker exec [container_id] [launch_command]
> {code}
> h3. Use ENTRY_POINT
> {code}
> docker run [image]:[version]
> {code}
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