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Posted to mapreduce-issues@hadoop.apache.org by "Nick Dimiduk (JIRA)" <ji...@apache.org> on 2013/10/04 23:43:43 UTC

[jira] [Created] (MAPREDUCE-5564) TaskImpl should log the host on which a task is running

Nick Dimiduk created MAPREDUCE-5564:
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             Summary: TaskImpl should log the host on which a task is running
                 Key: MAPREDUCE-5564
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5564
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
            Reporter: Nick Dimiduk


Log lines like the following should include the host on which the task is running. This will assist archeologists in locating the appropriate logs post-mortem.

{noformat}
2013-10-03 23:13:10,298 INFO [AsyncDispatcher event handler] org.apache.hadoop.mapreduce.v2.app.job.impl.TaskImpl: task_1380786219139_0060_m_000002 Task Transitioned from SCHEDULED to RUNNING
2013-10-03 23:13:10,298 INFO [AsyncDispatcher event handler] org.apache.hadoop.mapreduce.v2.app.job.impl.TaskImpl: task_1380786219139_0060_m_000003 Task Transitioned from SCHEDULED to RUNNING
2013-10-03 23:13:10,299 INFO [AsyncDispatcher event handler] org.apache.hadoop.mapreduce.v2.app.job.impl.TaskImpl: task_1380786219139_0060_m_000000 Task Transitioned from SCHEDULED to RUNNING
{noformat}



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