title: Hadoop Streaming Job - python stuck at map 0% reduce 0% in CDH4.5
body: <p>i am using a hadoop streaming job in cloudera distribution 4.5 , but it does not advance beyond the map 0% stage, also I am not sure where are the logs that I can check, pardon my naivety in hadoop.</p>
  
  <pre><code>[amgen@sa-dpoc10 code]$ hadoop jar /opt/cloudera/parcels/CDH/lib/hadoop-0.20-      mapreduce/contrib/streaming/hadoop-streaming-2.0.0-mr1-cdh4.5.0.jar -mapper  /home/amgen/Amgen_UC1/code/mapper.py -file  /home/amgen/Amgen_UC1/code/mapper.py -reducer /home/amgen/Amgen_UC1/code/reducer.py -file /home/amgen/Amgen_UC1/code/reducer.py  -input /user/amgen/Amgen_UC1/input/Corpus_VoiceBase.txt -output /user/amgen/Amgen_UC1/output_t1
  packageJobJar: [/home/amgen/Amgen_UC1/code/mapper.py,/home/amgen/Amgen_UC1/code/reducer.py, /tmp/hadoop-amgen/hadoop-unjar665443284079561966/] [] /tmp/streamjob722830427268220086.jar tmpDir=null
  14/02/02 07:16:52 WARN mapred.JobClient: Use GenericOptionsParser for parsing the arguments. Applications should implement Tool for the same.
  14/02/02 07:16:53 INFO mapred.FileInputFormat: Total input paths to process : 1
  14/02/02 07:16:53 INFO streaming.StreamJob: getLocalDirs(): [/tmp/hadoop amgen/mapred/local]
  14/02/02 07:16:53 INFO streaming.StreamJob: Running job: job_201401231022_0068
  14/02/02 07:16:53 INFO streaming.StreamJob: To kill this job, run:
  14/02/02 07:16:53 INFO streaming.StreamJob: UNDEF/bin/hadoop job  -Dmapred.job.tracker=sa-dpoc16.zs.local:8021 -kill job_201401231022_0068
  14/02/02 07:16:53 INFO streaming.StreamJob: Tracking URL: http://sa-dpoc16.zs.local:50030/jobdetails.jsp?jobid=job_201401231022_0068
  14/02/02 07:16:54 INFO streaming.StreamJob:  map 0%  reduce 0%
  </code></pre>
  
  <p>Please let me know if you want any configuration file.</p>