Why Mapreduce output written in local disk?
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What is the purpose of textinputformat?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
What is shuffling and sorting in mapreduce?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
What is optimal size of a file for distributed cache?
How does Mappers run method works?
What is a RecordReader in Hadoop MapReduce?
How to optimize MapReduce Job?
What is the use of InputFormat in MapReduce process?
How many times combiner is called on a mapper node in Hadoop?
What is Text Input Format?
what are the basic parameters of a Mapper?
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