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https://issues.apache.org/jira/browse/YARN-3684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14555204#comment-14555204
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Sidharta Seethana commented on YARN-3684:
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Thanks for the review and commit, [~vinodkv] !
> Change ContainerExecutor's primary lifecycle methods to use a more extensible
> mechanism for passing information.
> -----------------------------------------------------------------------------------------------------------------
>
> Key: YARN-3684
> URL: https://issues.apache.org/jira/browse/YARN-3684
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Reporter: Sidharta Seethana
> Assignee: Sidharta Seethana
> Fix For: 2.8.0
>
> Attachments: YARN-3648.001.patch, YARN-3684.002.patch
>
>
> As per description in parent JIRA : Adding additional arguments to key
> ContainerExecutor methods ( e.g startLocalizer or launchContainer ) would
> break the existing ContainerExecutor interface and would require changes to
> all executor implementations in YARN. In order to make this interface less
> brittle in the future, it would make sense to encapsulate arguments in some
> kind of a ‘context’ object which could be modified/extended without breaking
> the ContainerExecutor interface in the future.
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