what is distributed cache in mapreduce framework?
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What do sorting and shuffling do?
How to specify more than one directory as input in the Hadoop MapReduce Program?
What is the difference between HDFS block and input split?
What are the data components used by Hadoop?
what does the conf.setMapper Class do ?
What is the purpose of textinputformat?
How is mapreduce related to cloud computing?
What are the advantages of using map side join in mapreduce?
what is a Task Tracker in Hadoop?
What is the best way to copy files between HDFS clusters?
What does a split do?
What is a IdentityMapper and IdentityReducer in MapReduce ?
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