[jira] Created: (HADOOP-925) Allow printing of TaskEvents for a Job from command line

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

Allow printing of TaskEvents for a Job from command line
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                 Key: HADOOP-925
                 URL: https://issues.apache.org/jira/browse/HADOOP-925
             Project: Hadoop
          Issue Type: Improvement
          Components: mapred
            Reporter: Devaraj Das
            Priority: Minor


It might make sense to have these commands:

bin/hadoop job -numEvents <job_id> : this will print the number of events that the job generated so far

bin/hadoop job <fromEvent> <maxEvents> <job_id> : this will print the events in the range {fromEvent, fromEvent + maxEvents} for the given job id (only the contents of the event objects, not the actual logs). For example, it might print 
      event# 100, Map/Reduce, Success, http://foo.com:port/, taskId

bin/hadoop job <fromEvent> <maxEvents> <full> <job_id> : This will print the contents of the logs (like what the JobClient does today)


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