Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
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How to get the single file as the output from MapReduce Job?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
What is the purpose of textinputformat?
In Hadoop, which file controls reporting in Hadoop?
Explain the input type/format in mapreduce by default?
What is the difference between HDFS block and input split?
What is a MapReduce Combiner?
In MapReduce Data Flow, when Combiner is called?
Explain the process of spilling in Hadoop MapReduce?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?
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