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Hadoop Essentials by Swizec Teller

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Pig

Pig is a component which has the abstraction wrapper of Pig Latin language on top of MapReduce. Pig was developed by Yahoo! around 2006 and was contributed to Apache as an open source project. Pig Latin is a data flow language that is more comfortable for a procedural language developer or user. Pig can help manage the data in a flow which is ideal for the data flow process, ETL (Extract Transform Load), or the ELT (Extract Load Transform) process ad hoc data analysis.

Pig can be used in a much easier way for structured and semi-structured data analysis. Pig was developed based on a philosophy, which is that Pigs can eat anything, live anywhere, can be easily controlled and modified by the user, and it is important to process data quickly. ...

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