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https://issues.apache.org/jira/browse/MAPREDUCE-6548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lin Yiqun updated MAPREDUCE-6548:
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    Status: Patch Available  (was: Open)

I attach a initial patch.I do some user-check and time-check in job submission 
methods {{Job#submit}} and {{Job#waitForCompletion}}. And I add the 3 new 
config  as below.
* MAPREDUCE_LIMIT_EXECUTED_ENABLED:whether enable the limit-executed function.
* MAPREDUCE_LIMIT_EXECUTED_USERS:the user that can be executed in cluster.
* MAPREDUCE_LIMIT_EXECUTED_HOURS:the job can be executed in these hours in this 
config value.


> Jobs executed can be configurated with specific users and time hours
> --------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6548
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6548
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: job submission
>            Reporter: Lin Yiqun
>            Assignee: Lin Yiqun
>
> In recent hadoop versions,the system has no limitation for users to execute 
> their jobs if you don't configurate ACL.And I find that the ACL is only 
> called in IPC, isn't operated in job submissions.And this condition can't 
> satisfied with this case that I have a very important job, and I am prepared 
> to execute this job in 0 to 9 o'clock.In order to let this job executed 
> quickly, I am not allowed other user's job to execute in these time. So I can 
> see the result in tomorrow morning.So may be we can let jobs executed with 
> specific users in specific time hours.



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