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https://issues.apache.org/jira/browse/MAPREDUCE-5505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13771203#comment-13771203
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Bikas Saha commented on MAPREDUCE-5505:
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I dont think making jobimpl aware of all this is a good idea. MRClientService
is already the last thing to stop. So its a good place to contain this race
condition handling logic. We will probably need to move the getReport() method
from JobImpl -> MRClientService so that the translation happens over there.
However, if this needs to be urgently fixed and other folks think this is a
good idea then I am ok with this approach.
> Clients should be notified job finished only after job successfully
> unregistered
> ---------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5505
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5505
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Jian He
> Assignee: Zhijie Shen
> Attachments: MAPREDUCE-5505.1.patch, MAPREDUCE-5505.1.patch
>
>
> This is to make sure user is notified job finished after job is really done.
> This does increase client latency but can reduce some races during unregister
> like YARN-540
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