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https://issues.apache.org/jira/browse/MAPREDUCE-3473?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eli Collins updated MAPREDUCE-3473:
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    Summary: A single task tracker failure shouldn't result in Job failure   
(was: Task failures shouldn't result in Job failures )

@Subroto. Thanks for pinging. Users expect their jobs to complete even if a TT 
running one of their jobs fails right? So we're clear on terminology, what I 
identified is that a single TT failure can cause the job to fail. A job should 
be able to survive a single machine failure right?
                
> A single task tracker failure shouldn't result in Job failure 
> --------------------------------------------------------------
>
>                 Key: MAPREDUCE-3473
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3473
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: tasktracker
>    Affects Versions: 0.20.205.0, 0.23.0
>            Reporter: Eli Collins
>
> Currently some task failures may result in job failures. Eg a local TT disk 
> failure seen in TaskLauncher#run, TaskRunner#run, MapTask#run is visible to 
> and can hang the JobClient, causing the job to fail. Job execution should 
> always be able to survive a task failure if there are sufficient resources. 

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