PHP Development in the Cloud by Ivo Jansch & Vito Chin

Author:Ivo Jansch & Vito Chin
Language: eng
Format: epub
Publisher: Blue Parabola, LLC

#hadoop fs -copyFromLocal /home/hadoop-user/Color/colorsource/ colorsource

Then make sure the mapper and reducer files can be read and executed:

#chmod -R 555 Color

With that, you're ready to start:

#hadoop jar hadoop/contrib/streaming/hadoop-0.18.0-streaming.jar

-mapper /home/hadoop-user/Color/mapper.php

-reducer /home/hadoop-user/Color/reducer.php

-input colorsource/* -output color-output

Make sure the name of the output directory does not already exist within the distributed filesystem. Once the job has been completed, you can retrieve it:

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