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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-947) Defining the history data classes for the implementation of the reading/writing interface
Date Wed, 30 Oct 2013 00:12:26 GMT

    [ https://issues.apache.org/jira/browse/YARN-947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13808612#comment-13808612
] 

Vinod Kumar Vavilapalli commented on YARN-947:
----------------------------------------------

Tx Mayank too for the reviews!

> Defining the history data classes for the implementation of the reading/writing interface
> -----------------------------------------------------------------------------------------
>
>                 Key: YARN-947
>                 URL: https://issues.apache.org/jira/browse/YARN-947
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>             Fix For: YARN-321
>
>         Attachments: YARN-947.1.patch, YARN-947.2.patch, YARN-947.3.patch, YARN-947.4.patch,
YARN-947.5.patch, YARN-947.6.patch, YARN-947.8.patch
>
>
> We need to define the history data classes have the exact fields to be stored. Therefore,
all the implementations don't need to have the duplicate logic to exact the required information
from RMApp, RMAppAttempt and RMContainer.
> We use protobuf to define these classes, such that they can be ser/des to/from bytes,
which are easier for persistence.



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