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From "Arun Suresh (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (YARN-5087) Expose API to allow AM to request for change of container ExecutionType
Date Mon, 23 May 2016 19:35:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-5087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15295133#comment-15295133
] 

Arun Suresh edited comment on YARN-5087 at 5/23/16 7:35 PM:
------------------------------------------------------------

[~vinodkv], [~leftnoteasy], [~jianhe], [~mding] We were thinking of reusing / piggy-backing
some of the stuff done in YARN-1197. Essentially, we would like the AM to issue a request
to the RM to update the container execution type in an allocate request and we would like
to be notified of when that request is satisfied in the response.

We were wondering if it is possible to combine the increase resources, decrease resources
and change container execution type requests into a single *UpdateContainerRequest* type.
The RM can then decide what type of change request it is.

Also, in a similar vein, we can merge the Increased/Decreased Containers and the Updated containerType
response into the same list in the AllocateResponse. To be honest, I feel even that is superfluous,
since we already have a List of {{Container}} s in the {{allocatedContainers}} field of the
response which has all the information about a container (Container Resource and ExecutionType).
The AM can then figure out if its request has been satisfied.

adding [~subru], [~curino], [~kkaranasos] to the conversation.


was (Author: asuresh):
[~vinodkv], [~leftnoteasy], [~jianhe], [~mding] We were thinking of reusing / piggy-backing
some of the stuff done in YARN-1197. Essentially, we would like the AM to issue a request
to the RM to update the container execution type in an allocate request and we would like
to be notified of when that request is satisfied in the response.

We were wondering if it is possible to combine the increase resources, decrease resources
and change container execution type requests into a single *UpdateContainerRequest* type.
The RM can then decide what type of change request it is.

Also, in a similar vein, we can merge the Increased/Decreased Containers and the Updated containerType
response into the same list in the AllocateResponse. To be honest, I feel even that is superfluous,
since we already have a List of {{Container}}s in the {{allocatedContainers}} field of the
response which has all the information about a container (Container Resource and ExecutionType).
The AM can then figure out if its request has been satisfied.

adding [~subru], [~curino], [~kkaranasos] to the conversation.

> Expose API to allow AM to request for change of container ExecutionType
> -----------------------------------------------------------------------
>
>                 Key: YARN-5087
>                 URL: https://issues.apache.org/jira/browse/YARN-5087
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
>




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