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Articles tagged with "pig"

Writing User Defined Functions For Pig

· Posted in Programming
If you are processing a bunch of data, grouping it, joining it, filtering it, then you should probably be using pig. So go download that, and get it all setup. You need: Java 1.6 (with JAVA_HOME setup) Hadoop (with HADOOP_HOME setup) pig (of course) Put all the relevant stuff in your PATH too. pig 101 So here's a simple pig script. This registers a jar file and defines a custom UDF(User Defined Function) for doing whatever. It happens to be a lo…