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Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
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What are the four essential parameters of a mapper?
What does a 'MapReduce Partitioner' do?
How to handle record boundaries in Text files or Sequence files in MapReduce InputSplits?
How does inputsplit in mapreduce determines the record boundaries correctly?
What is RecordReader in a Map Reduce?
Why is Apache Spark faster than Hadoop MapReduce?
What is the need of MapReduce in Hadoop?
What combiners is and when you should use a combiner in a MapReduce Job?
Is it possible to search for files using wildcards?
Does Partitioner run in its own JVM or shares with another process?
What is SequenceFileInputFormat?
Explain the difference between a MapReduce InputSplit and HDFS block?
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