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courses:mapreduce-tutorial:step-6 [2012/01/24 19:05] straka vytvořeno |
courses:mapreduce-tutorial:step-6 [2012/01/24 23:49] straka |
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| - | ====== MapReduce Tutorial : ====== | + | ====== MapReduce Tutorial : Running on cluster |
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| + | Probably the most important feature of MapReduce is to run computations distributively. | ||
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| + | So far all our MR jobs were executed locally. But all of them can be executed on multiple machines. It suffices to add parameter '' | ||
| + | perl script.pl run -c number_of_machines [-w sec_to_wait_after_job_completion] input_directory output_directory | ||