[jira] [Commented] (YARN-3866) AM-RM protocol changes to support container resizing

["Akira Ajisaka (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-3866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15728125#comment-15728125 ] 

Akira Ajisaka commented on YARN-3866:
-------------------------------------

Now I'm looking at compatibility report between branch-2.7.3 and branch-2.8.
* https://builds.apache.org/view/H-L/view/Hadoop/job/Hadoop-trunk-JACC/24/artifact/target/compat-check/report.html

The following {{@Public}} and {{@Stable}} methods have been changed by YARN-3866 and later removed by YARN-5221.
* AllocateRequest.getIncreaseRequests()
* AllocateRequest.setIncreaseRequests(List<ContainerResourceIncreaseRequest>)
* AllocateResponse.getIncreasedContainers()
* AllocateResponse.getDecreasedContainers()

Hi [~jianhe] and [~djp], should we make YARN-3866 incompatible change, or fix the incompatibility?

> 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 YARN-1447 and YARN-1448 are outdated.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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