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What is shuffling and sorting in mapreduce?
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More MapReduce Interview Questions
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
Write a short note on the disadvantages of mapreduce
Explain JobConf in MapReduce.
What is streaming?
Whether the output of mapper or output of partitioner written on local disk?
What is SequenceFileInputFormat in Hadoop MapReduce?
What is optimal size of a file for distributed cache?
Mention Hadoop core components?
Why can aggregation not be done in Mapper in MapReduce?
What does a 'MapReduce Partitioner' do?
When is it suggested to use a combiner in a MapReduce job?
What are the data components used by Hadoop?
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