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https://issues.apache.org/jira/browse/YARN-926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13710498#comment-13710498
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Alejandro Abdelnur commented on YARN-926:
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[~vinodkv], what is exactly the use case for this? most of the time I would
expect that newly avail container allocations for an AM, in a heartbeat, are
scattered through out the cluster with seldom overlaps on the same node.
Wondering how often you are seeing this overlap (and how many containers) to
justify a multiple containers support. Also, the current response is 'void',
just an ACK, what would be the response for multiple containers. BTW, I'm not
opposed, just wondering if we really need it.
Finally, if this ends up being the last standing blocker, we should not block
the release because of it.
> ContainerManagerProtcol APIs should take in requests for multiple containers
> ----------------------------------------------------------------------------
>
> Key: YARN-926
> URL: https://issues.apache.org/jira/browse/YARN-926
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
> Priority: Blocker
>
> AMs typically have to launch multiple containers on a node and the current
> single container APIs aren't helping. We should have all the APIs take in
> multiple requests and return multiple responses.
> The client libraries could expose both the single and multi-container
> requests.
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