Why is Apache Spark faster than Hadoop MapReduce?
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How to set the number of mappers to be created in MapReduce?
How to sort intermediate output based on values in MapReduce?
What do you know about nlineinputformat?
How does inputsplit in mapreduce determines the record boundaries correctly?
what are the most common input formats defined in Hadoop?
Where sorting is done in Hadoop MapReduce Job?
How is reporting controlled in hadoop?
When should you use sequencefileinputformat?
What are the various InputFormats in Hadoop?
what does the conf.setMapper Class do ?
How to write a custom partitioner for a Hadoop MapReduce job?
What is map/reduce job in hadoop?
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