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courses:mapreduce-tutorial:step-24 [2012/01/31 11:27]
straka
courses:mapreduce-tutorial:step-24 [2012/01/31 11:28]
straka
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   * ''net/projects/hadoop/bin/hadoop job.jar -c number_of_machines [-w secs_to_wait_after_job_finishes] [-r number_of_reducers] [-Dname=value -Dname=value ...] input output_path'' -- creates a new cluster with specified number of machines, which executes given job, and then waits for specified number of seconds before it stops.   * ''net/projects/hadoop/bin/hadoop job.jar -c number_of_machines [-w secs_to_wait_after_job_finishes] [-r number_of_reducers] [-Dname=value -Dname=value ...] input output_path'' -- creates a new cluster with specified number of machines, which executes given job, and then waits for specified number of seconds before it stops.
  
-===== Exercise =====+===== Exercise =====
 Download the ''MapperOnlyHadoopJob.java'', compile it and run it using Download the ''MapperOnlyHadoopJob.java'', compile it and run it using
   wget --no-check-certificate 'https://wiki.ufal.ms.mff.cuni.cz/_export/code/courses:mapreduce-tutorial:step-24?codeblock=1' -O 'MapperOnlyHadoopJob.java'   wget --no-check-certificate 'https://wiki.ufal.ms.mff.cuni.cz/_export/code/courses:mapreduce-tutorial:step-24?codeblock=1' -O 'MapperOnlyHadoopJob.java'

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