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Pig, the Good Parts
Transcript of Pig, the Good Parts
A simple Pig script
SQL like interface
"Everybody knows SQL"
but you need to know R
Works on unstructured data
very and simple logic
Extend it if you want to go deep
a pipeline-like system for data
GROUP - FOREACH
It just works *
Select your Joins wisely
Manually the number of reducers
Project early and often
Filter early and often
Select JOIN method manually
Use the PARALLEL feature
Don't make any errors.
Runtime error reporting is very poor