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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1509) Make AMRMClient support send increase container request and get increased/decreased containers
Date Fri, 16 Oct 2015 17:58:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-1509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14961090#comment-14961090
] 

Wangda Tan commented on YARN-1509:
----------------------------------

Sync up with [~mding]. I think we're all on the same page now. Some thoughts from my side:

- We can separate cancel container resource request change to a separated JIRA. Now using
decrease container to same size to cancel pending increase request is like a workaround, we'd
better add a protocol to AMRMProtocol so AMRMClient can do things correct.
- For the onContainerResourceChanged API
{code}
public abstract void onContainersResourceChanged(List<Container> containers);
{code}
This looks good to me. Since we have a unified API to request change container, return the
updated container to AM should be enough, AM knows if it's an increased or decreased container.

Thoughts? [~bikassaha].



> Make AMRMClient support send increase container request and get increased/decreased containers
> ----------------------------------------------------------------------------------------------
>
>                 Key: YARN-1509
>                 URL: https://issues.apache.org/jira/browse/YARN-1509
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Wangda Tan (No longer used)
>            Assignee: MENG DING
>         Attachments: YARN-1509.1.patch, YARN-1509.2.patch, YARN-1509.3.patch, YARN-1509.4.patch,
YARN-1509.5.patch
>
>
> As described in YARN-1197, we need add API in AMRMClient to support
> 1) Add increase request
> 2) Can get successfully increased/decreased containers from RM



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