Hadoop mapreduce Reduce Side Join With distributed Cache




HI, today we will see the example on Hadoop mapreduce Reduce Side Join With distributed Cache Now i am writing java code for reduce side join with 3 input files, which i place 1 file in distributed cache to join. Step1: In DeliverFileMapper.java file i am processing the UserDetails.txt file Step2: In DeliverFileMapper.java file i am processing the DeliveryDetails.txt file Step3: […]

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Hadoop map side join with Distributed Cache Example




HI, Welcome all , today i am posting an example for MAP-SIDE JOIN using mapreduce. we will see Hadoop map side join with Distributed Cache below first of all we need to prepare data samples for this map side join Note: we need to remember one thing is that we always put the small file in the distributed cache and […]

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