What is a TaskInstance?
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Explain what is the function of mapreduce partitioner?
What is a scarce system resource?
What is KeyValueTextInputFormat in Hadoop MapReduce?
What is LazyOutputFormat in MapReduce?
Explain the differences between a combiner and reducer
What is sqoop in Hadoop ?
How many times combiner is called on a mapper node in Hadoop?
What do you mean by inputformat?
Different ways of debugging a job in MapReduce?
What is a RecordReader in Hadoop MapReduce?
How to change a number of mappers running on a slave in MapReduce?
What is Distributed Cache in the MapReduce Framework?
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