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Posted to mapreduce-dev@hadoop.apache.org by "Eli Collins (Created) (JIRA)" <ji...@apache.org> on 2011/11/27 23:16:40 UTC

[jira] [Created] (MAPREDUCE-3473) Task failures shouldn't result in Job failures

Task failures shouldn't result in Job failures 
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                 Key: MAPREDUCE-3473
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3473
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: tasktracker
    Affects Versions: 0.23.0, 0.20.205.0
            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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