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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6809) Create ContainerRequestor interface and refactor RMContainerRequestor to use it
Date Fri, 11 Nov 2016 20:03:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15658033#comment-15658033
] 

Naganarasimha G R commented on MAPREDUCE-6809:
----------------------------------------------

Hi [~devaraj.k],
I think we are almost there, just for few clarifications or corrections :
# As part of this activity do we require to define {{ContainerAvailableEvent}} ? IIUC this
is mainly required for the newly class {{RMContainerReuseRequestor}} which will be extending
{{ContainerRequestor}} (as part of YARN-6773). So think no need to introduce this class and
hence also remove  extends {{EventHandler<ContainerAvailableEvent>}} in ContainerRequestor
interface
# {{ContainerRequestor.EventType}}, IIUC is again used by only RMContainerReuseRequestor and
hence we can segregate it and handle in MAPREDUCE-6773 itself.

By doing the above two it would be purely extracting out the interface from the existing code
which is what we wanted achieve in this patch ! 

> Create ContainerRequestor interface and refactor RMContainerRequestor to use it
> -------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6809
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6809
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: applicationmaster, mrv2
>            Reporter: Devaraj K
>            Assignee: Devaraj K
>         Attachments: MAPREDUCE-6809-MR-6749.001.patch
>
>
> As per the discussion in MAPREDUCE-6773, create a ContainerRequestor interface and refactor
RMContainerRequestor to use this interface.



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