When should you use sequencefileinputformat?
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How to submit extra files(jars, static files) for Hadoop MapReduce job during runtime?
What is Mapper in Hadoop MapReduce?
How data is spilt in Hadoop?
Is it important for Hadoop MapReduce jobs to be written in Java?
Define Writable data types in Hadoop MapReduce?
What is a MapReduce Combiner?
Explain what is the function of mapreduce partitioner?
Why the output of map tasks are stored (spilled ) into local disc and not in hdfs?
What are the data components used by Hadoop?
Explain what are the basic parameters of a mapper?
What is the key- value pair in MapReduce?
How to change a number of mappers running on a slave in MapReduce?
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