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courses:mapreduce-tutorial:step-10 [2012/01/30 00:33]
straka 		courses:mapreduce-tutorial:step-10 [2012/01/31 09:38] (current)
straka Change Perl commandline syntax.
Line 31: Line 31:
 Compare the effect of adding the combiner to a MR job which counts occurrences of words in ''/home/straka/wiki/cs-text-medium'': {{:courses:mapreduce-tutorial:step-5-solution1.txt|step-10-wc-without-combiner.pl}} and {{:courses:mapreduce-tutorial:step-10.txt|step-10-wc-with-combiner.pl}}. Compare the effect of adding the combiner to a MR job which counts occurrences of words in ''/home/straka/wiki/cs-text-medium'': {{:courses:mapreduce-tutorial:step-5-solution1.txt|step-10-wc-without-combiner.pl}} and {{:courses:mapreduce-tutorial:step-10.txt|step-10-wc-with-combiner.pl}}.
   wget --no-check-certificate 'https://wiki.ufal.ms.mff.cuni.cz/_media/courses:mapreduce-tutorial:step-5-solution1.txt' -O 'step-10-wc-without-combiner.pl'   wget --no-check-certificate 'https://wiki.ufal.ms.mff.cuni.cz/_media/courses:mapreduce-tutorial:step-5-solution1.txt' -O 'step-10-wc-without-combiner.pl'
-  rm -rf step-10-out-wout; time perl step-10-wc-without-combiner.pl run /home/straka/wiki/cs-text-medium/ step-10-out-wout+  # NOW VIEW THE FILE 
 +  # $EDITOR step-10-wc-without-combiner.pl 
 +  rm -rf step-10-out-wout; time perl step-10-wc-without-combiner.pl /home/straka/wiki/cs-text-medium/ step-10-out-wout
      
   wget --no-check-certificate 'https://wiki.ufal.ms.mff.cuni.cz/_media/courses:mapreduce-tutorial:step-10.txt' -O 'step-10-wc-with-combiner.pl'   wget --no-check-certificate 'https://wiki.ufal.ms.mff.cuni.cz/_media/courses:mapreduce-tutorial:step-10.txt' -O 'step-10-wc-with-combiner.pl'
-  rm -rf step-10-out-with; time perl step-10-wc-with-combiner.pl run /home/straka/wiki/cs-text-medium/ step-10-out-with+  # NOW VIEW THE FILE 
 +  # $EDITOR step-10-wc-with-combiner.pl 
 +  rm -rf step-10-out-with; time perl step-10-wc-with-combiner.pl /home/straka/wiki/cs-text-medium/ step-10-out-with
  
 How would you explain the results? How would you explain the results?

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