Chapter 7 – SQL-MapReduce

“A bird does not sing because it has the answers, it sings because it has a song.”


MapReduce History

MapReduce is a programming framework which is used to process enormous data sets. It began getting taken seriously in 2004 when Google released a paper “MapReduce: Simplified Data Processing on Large Clusters by Jeffrey Dean and Sanjay Ghemawat”.

Since then, its use has grown exponentially, and today many of the largest companies in the world are using MapReduce technology in the form of Hadoop or Aster Data to solve some very complex problems traditional databases would find difficult. While MapReduce works elegantly in some situations, it is not a replacement for a traditional database. However, if implemented ...

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