What is the difference between a MapReduce InputSplit and HDFS block?
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In Hadoop, which file controls reporting in Hadoop?
What is the process of changing the split size if there is limited storage space on Commodity Hardware?
What is a distributed cache in mapreduce framework?
What is the input type/format in MapReduce by default?
Explain what combiners are and when you should use a combiner in a mapreduce job?
What is a partitioner and how the user can control which key will go to which reducer?
How to sort intermediate output based on values in MapReduce?
What is Mapper in Hadoop MapReduce?
What is the fundamental difference between a MapReduce InputSplit and HDFS block?
What are the benefits of Spark over MapReduce?
What is a combiner and where you should use it?
What is map/reduce job in hadoop?
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