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From "Varun Saxena (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6688) Store job configurations in Timeline Service v2
Date Sun, 01 May 2016 12:57:13 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15265759#comment-15265759
] 

Varun Saxena commented on MAPREDUCE-6688:
-----------------------------------------

Well I was of the opinion that right now, we are not quite sure of the approach we might take
in YARN-3401 and the solution would emerge more from the security model we decide upon. Which
we haven't given a great deal of thought on. It is hence, possible we later decide that we
will not push events from JobHistoryEventHandler from RM, that is, if we even decide to route
it via RM. And yes, that may involve further refactoring.

So I was of the opinion let us first go with what is best for current code and then refactor
later, if required, based on decision taken. Thoughts ?
 
For me, there will be certain events which would require to be pushed immediately and for
that we will have a sync call(for instance, JOB_FINISHED) and others will be async calls.
So that should be clean enough. Correct ? Or you are thinking of some other parameters on
which we will make this decision ?



> Store job configurations in Timeline Service v2
> -----------------------------------------------
>
>                 Key: MAPREDUCE-6688
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6688
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: applicationmaster
>    Affects Versions: YARN-2928
>            Reporter: Junping Du
>            Assignee: Varun Saxena
>              Labels: yarn-2928-1st-milestone
>         Attachments: MAPREDUCE-6688-YARN-2928.01.patch, YARN-3959-YARN-2928.01.patch
>
>
> We already have configuration field in HBase schema for application entity. We need to
make sure AM write it out when it get launched.



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