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courses:mapreduce-tutorial:running-jobs [2012/02/05 21:14]
straka 		courses:mapreduce-tutorial:running-jobs [2012/02/05 21:15]
straka
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 ===== Run Perl jobs ===== ===== Run Perl jobs =====
 +Choosing mode of operation:
 +| ^ Command ^
 +^ Run locally | ''perl script.pl input output'' |
 +^ Run using specified jobtracker | ''perl script.pl -jt jobtracker:port input output'' |
 +^ Run job in dedicated cluster | ''perl script.pl -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'' |
 +
 +Specifying number of mappers and reducers:
 +| ^ Command ^
 +^ 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 Java jobs =====
 Choosing mode of operation: Choosing mode of operation:
 | ^ Command ^ | ^ Command ^

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