What is the use of InputFormat in MapReduce process?
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What is SequenceFileInputFormat?
What happens when a datanode fails ?
What is the need of MapReduce?
What is mapreduce algorithm?
When is it suggested to use a combiner in a MapReduce job?
What is Text Input Format?
List the configuration parameters that have to be specified when running a MapReduce job.
Where sorting is done in Hadoop MapReduce Job?
What is partitioning in MapReduce?
How to specify more than one directory as input to the MapReduce Job?
What do sorting and shuffling do?
How many numbers of reducers run in Map-Reduce Job?
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