What comes in Hadoop 2.0 and MapReduce V2 YARN
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What is the difference between Reducer and Combiner in Hadoop MapReduce?
What is Text Input Format?
How to get the single file as the output from MapReduce Job?
Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
How can we control particular key should go in a specific reducer?
What is identity mapper and reducer? In which cases can we use them?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
If reducers do not start before all mappers finish then why does the progress on mapreduce job shows something like map(50%) reduce(10%)? Why reducers progress percentage is displayed when mapper is not finished yet?
What is shuffling in mapreduce?
Is it possible to rename the output file?
What comes in Hadoop 2.0 and MapReduce V2 YARN
When is it not recommended to use MapReduce paradigm for large
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