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6. Metapatterns

Chapter 6. Metapatterns

This chapter is different from the others in that it doesn’t contain patterns for solving a particular problem, but patterns that deal with patterns. The term metapatterns is directly translated to “patterns about patterns.” The first method that will be discussed is job chaining, which is piecing together several patterns to solve complex, multistage problems. The second method is job merging, which is an optimization for performing several analytics in the same MapReduce job, effectively killing multiple birds with one stone.


  

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