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courses:mapreduce-tutorial:making-your-job-configurable [2012/02/05 21:44]
straka 		courses:mapreduce-tutorial:making-your-job-configurable [2012/02/05 21:45]
straka
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     - in the job, use ''job.getConfiguration.get("name", default)'' to get the ''value'' as ''String'', or use one of ''getInt, getLong, getFloat, getRange, getFile, getStrings, ...''.     - in the job, use ''job.getConfiguration.get("name", default)'' to get the ''value'' as ''String'', or use one of ''getInt, getLong, getFloat, getRange, getFile, getStrings, ...''.
   * Perl: use environment variables:   * Perl: use environment variables:
-    - when constructing [[.:perl-api#hadooprunner|Hadoop::Runner]], use ''copy_environment => ['VARIABLE1', 'VARIABLE2', ... ]''.+    - when constructing [[.:perl-api#hadooprunner|Hadoop::Runner]], use ''copy_environment %%=>%% ['VARIABLE1', 'VARIABLE2', ... ]''.
     - run the job using ''VARIABLE1=value1 VARIABLE2=value2 ... perl script.pl input output''.     - run the job using ''VARIABLE1=value1 VARIABLE2=value2 ... perl script.pl input output''.
 +    - in the job, use ''$ENV{VARIABLE1}'' to access the value.

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