Pangool is a Java, low-level MapReduce API. It aims to be a replacement for the Hadoop Java MapReduce API. By implementing an intermediate Tuple-based schema and configuring a Job conveniently, many of the accidental complexities that arise from using the Hadoop Java MapReduce API disappear. Things like secondary sort and reduce-side joins become extremely easy to implement and understand. Pangool's performance is comparable to that of the Hadoop Java MapReduce API. Pangool also augments Hadoop's API by making multiple outputs and inputs first-class and allowing instance-based configuration.
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