Tuesday, March 15, 2016

How is Pig job translated / converted to MapReduce Step by Step process

How is Pig jobs translated /converted to MapReduce Step by Step process

Refer to the below link for details about how is Pig Script translated/Converted to MapReduce.

Excerpt from the link.
The Pig system takes a Pig Latin program as input, compiles it into one or more Map-Reduce jobs, and then executes those jobs on a given Hadoop cluster. 

Any Pig script/program whether its running in local mode or MapReduce Mode  goes through a series of transformation steps before being executed.



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