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Posted to yarn-issues@hadoop.apache.org by "Arun Suresh (JIRA)" <ji...@apache.org> on 2016/12/07 22:44:58 UTC
[jira] [Comment Edited] (YARN-3866) AM-RM protocol changes to
support container resizing
[ https://issues.apache.org/jira/browse/YARN-3866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15730171#comment-15730171 ]
Arun Suresh edited comment on YARN-3866 at 12/7/16 10:44 PM:
-------------------------------------------------------------
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 YARN-1447 and YARN-1448 are outdated.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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