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courses:mapreduce-tutorial:running-jobs [2012/02/05 21:15]
straka
courses:mapreduce-tutorial:running-jobs [2012/02/05 21:15]
straka
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 Choosing mode of operation: Choosing mode of operation:
 | ^ Command ^ | ^ Command ^
-^ Run locally | ''perl script.pl input output''+^ Run locally | ''/net/projects/hadoop/bin/hadoop job.jar input output''
-^ Run using specified jobtracker | ''perl script.pl -jt jobtracker:port input output''+^ Run using specified jobtracker | ''/net/projects/hadoop/bin/hadoop job.jar -jt jobtracker:port input output''
-^ Run job in dedicated cluster | ''perl script.pl -c number_of_machines input output''+^ Run job in dedicated cluster | ''/net/projects/hadoop/bin/hadoop job.jar -c number_of_machines input output''
-^ Run job in dedicated cluster and after it finishes, \\ wait for //W// seconds before stopping the cluster | ''perl script.pl -c number_of_machines -w W_seconds input output'' |+^ Run job in dedicated cluster and after it finishes, \\ wait for //W// seconds before stopping the cluster | ''/net/projects/hadoop/bin/hadoop job.jar -c number_of_machines -w W_seconds input output'' |
  
 Specifying number of mappers and reducers: Specifying number of mappers and reducers:
 | ^ Command ^ | ^ Command ^
 ^ Run using //R// reducers \\ (//R//>1 not working when running locally)| ''perl -r R script.pl input output'' | ^ Run using //R// reducers \\ (//R//>1 not working when running locally)| ''perl -r R script.pl input output'' |
-^ Run using //M// mappers | ''perl script.pl `/net/projects/hadoop/bin/compute-splitsize input M` input output'' |+^ Run using //M// mappers | ''/net/projects/hadoop/bin/hadoop job.jar `/net/projects/hadoop/bin/compute-splitsize input M` input output'' | 

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