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In the past few years, the technology industry has witnessed the rapid adoption of big data technologies, and there is a huge potential to profoundly impact business functions when implemented the right way.At Groupon, Consumer Data Authority Platform(CDAP) is responsible for processing data of ~500 million users on a daily basis and ensuring appropriate consumer information is made available to all downstream systems easily and efficiently. For this, CDAP has to build and execute jobs frequentl...