Database Reference
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rate very deeply with Pig's operators. As another benefit, UDFs tend to be more reusable
than the libraries developed for writing MapReduce programs.
In some cases, Pig doesn't perform as well as programs written in MapReduce. However,
the gap is narrowing with each release, as the Pig team implements sophisticated al-
gorithms for applying Pig's relational operators. It's fair to say that unless you are willing
to invest a lot of effort optimizing Java MapReduce code, writing queries in Pig Latin will
save you time.
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