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https://issues.apache.org/jira/browse/YARN-3866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15730171#comment-15730171
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Arun Suresh edited comment on YARN-3866 at 12/7/16 10:44 PM:
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Also thanks for raising this [~ajisakaa], [~djp]..
As [~leftnoteasy] mentioned, the {{ApplicationMasterProtocol}} is a lower level
protocol and end user applications should be using the {{AMRMClient}}.
Given that the increase/decrease resources are not available in any current
version of hadoop, and given that YARN-5221 was raised to unify all container
updates (resources and ExecutionType etc.) into a single API, I am not in favor
of adding back the (set/get)(Increase/Decrease)(Requests/Containers) API as it
will cause problems for future upgrades, if people do start using them.
was (Author: asuresh):
As [~leftnoteasy] mentioned, the {{ApplicationMasterProtocol}} is a lower level
protocol and end user applications should be using the {{AMRMClient}}.
Given that the increase/decrease resources are not available in any current
version of hadoop, and given that YARN-5221 was raised to unify all container
updates (resources and ExecutionType etc.) into a single API, I am not in favor
of adding back the (set/get)(Increase/Decrease)(Requests/Containers) API as it
will cause problems for future upgrades, if people do start using them.
> AM-RM protocol changes to support container resizing
> ----------------------------------------------------
>
> Key: YARN-3866
> URL: https://issues.apache.org/jira/browse/YARN-3866
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: api
> Reporter: MENG DING
> Assignee: MENG DING
> Fix For: 2.8.0, 3.0.0-alpha1
>
> Attachments: YARN-3866-YARN-1197.4.patch, YARN-3866.1.patch,
> YARN-3866.2.patch, YARN-3866.3.patch
>
>
> YARN-1447 and YARN-1448 are outdated.
> This ticket deals with AM-RM Protocol changes to support container resize
> according to the latest design in YARN-1197.
> 1) Add increase/decrease requests in AllocateRequest
> 2) Get approved increase/decrease requests from RM in AllocateResponse
> 3) Add relevant test cases
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