[jira] [Created] (MAPREDUCE-6502) Support listing of black listed Nodemanagers in "mapred job" interface

["nijel (JIRA)" <ji...@apache.org>]

nijel created MAPREDUCE-6502:
--------------------------------

             Summary: Support listing of black listed Nodemanagers in "mapred job" interface
                 Key: MAPREDUCE-6502
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6502
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
            Reporter: nijel
            Assignee: nijel


As of now (in Mrv2) "mapred job -list-blacklisted-trackers"  is not implemented and it always returns an empty list.
{code:title=ResourceMgrDelegate.java}
  public TaskTrackerInfo[] getBlacklistedTrackers() throws IOException,
      InterruptedException {
    // TODO: Implement getBlacklistedTrackers
    LOG.warn("getBlacklistedTrackers - Not implemented yet");
    return new TaskTrackerInfo[0];
  }
{code}
This can be implemented by taking the job-id and display the black listed nodes (node managers) for this job/application.


Marking as incompatible since this require change in the command syntax.



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