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Hadoop >> mail # dev >> [Discussion] Merge YARN-321 into Branch-2


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Re: [Discussion] Merge YARN-321 into Branch-2
+1 to merge into branch2 now.
On Jan 5, 2014 6:22 PM, "Zhijie Shen" <[EMAIL PROTECTED]> wrote:

> Hi folks,
>
> Majority of the functionality of Application History Server has been
> completed on branch YARN-321. AHS can now work end-to-end. ResourceManager
> records the historical information of the application, the application
> attempt and the container in terms of events via a history writer on a
> separate thread. The historical information is going to be persisted on
> HDFS. On the other side, an application history server runs as a separate
> process, and it allows users to access the historical information via RPC
> interface, web UI and REST APIs.
>
> According to the proposal, the only major missing piece is security. Except
> it, YARN-321 should be pretty much ready to be merged to Branch-2. We
> propose to merge YARN-321 to Branch-2 now, such that we can prevent
> YARN-321 from falling behind too much, and reduce the effort of editing
> merge conflicts. After merge, we can continue on security, refactoring
> duplicate code, fixing bugs and other improvements.
>
> Anyone who is interested in looking at AHS can review/play with YARN-321
> branch: http://svn.apache.org/viewvc/hadoop/common/branches/YARN-321/
>
> You can also have a look at the latest design doc:
>
> https://issues.apache.org/jira/secure/attachment/12619638/Generic%20Application%20History%20-%20Design-20131219.pdf
>
> If there are no objections, we'll push towards updating the branch, running
> the patch through Jenkins and getting ready for merge vote by the end of
> this week.
>
> Thanks,
> Zhijie
>
> --
> Zhijie Shen
> Hortonworks Inc.
> http://hortonworks.com/
>
> --
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