How does inputsplit in mapreduce determines the record boundaries correctly?
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A number of combiners can be changed or not in MapReduce?
Explain what is distributed cache in mapreduce framework?
What is KeyValueTextInputFormat in Hadoop MapReduce?
What is mapreduce algorithm?
What is the need of MapReduce?
MapReduce Types and Formats and Setting up a Hadoop Cluster?
What is the core of the job in MapReduce framework?
Why Mapper runs in heavy weight process and not in a thread in MapReduce?
What is the Reducer used for?
Compare RDBMS with Hadoop MapReduce.
Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
What are the steps involved in MapReduce framework?
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