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Posted to yarn-issues@hadoop.apache.org by "Zhijie Shen (JIRA)" <ji...@apache.org> on 2013/07/22 22:26:48 UTC

[jira] [Created] (YARN-947) Defining the history data classes for the implementation of the reading/writing interface

Zhijie Shen created YARN-947:
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             Summary: 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: Bug
            Reporter: Zhijie Shen
            Assignee: Zhijie Shen


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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