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https://issues.apache.org/jira/browse/YARN-528?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Kumar Vavilapalli reopened YARN-528:
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> Make IDs read only
> ------------------
>
> Key: YARN-528
> URL: https://issues.apache.org/jira/browse/YARN-528
> Project: Hadoop YARN
> Issue Type: Sub-task
> Affects Versions: 2.0.4-alpha
> Reporter: Robert Joseph Evans
> Assignee: Siddharth Seth
> Fix For: 2.1.0-beta
>
> Attachments: y528_AppIdPart_01_Refactor.txt,
> y528_AppIdPart_02_AppIdChanges.txt, y528_AppIdPart_03_fixUsage.txt,
> y528_ApplicationIdComplete_WIP.txt, YARN-528.txt, YARN-528.txt
>
>
> I really would like to rip out most if not all of the abstraction layer that
> sits in-between Protocol Buffers, the RPC, and the actual user code. We have
> no plans to support any other serialization type, and the abstraction layer
> just, makes it more difficult to change protocols, makes changing them more
> error prone, and slows down the objects themselves.
> Completely doing that is a lot of work. This JIRA is a first step towards
> that. It makes the various ID objects immutable. If this patch is wel
> received I will try to go through other objects/classes of objects and update
> them in a similar way.
> This is probably the last time we will be able to make a change like this
> before 2.0 stabilizes and YARN APIs will not be able to be changed.
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