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From "Hemanth Yamijala (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5460) Job recovery should fail or kill a job that fails ACL checks upon restart, if the job was running previously
Date Wed, 11 Mar 2009 10:19:50 GMT
Job recovery should fail or kill a job that fails ACL checks upon restart, if the job was running
previously
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                 Key: HADOOP-5460
                 URL: https://issues.apache.org/jira/browse/HADOOP-5460
             Project: Hadoop Core
          Issue Type: Improvement
          Components: mapred
            Reporter: Hemanth Yamijala


Consider a scenario where a job was submitted to the M/R system and runs for a while. Then
say the JT is restarted, and before that the ACLs for the user are changed so that that user
can no longer submit jobs to that queue. Since the job could potentially be using resources
alloted to that queue and could be account for it, this might lead to accounting inconsistencies.
A suggestion is for the jobtracker to fail / kill this job.

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