Is it legal to set the number of reducer task to zero? Where the output will be stored in this case?
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What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
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?
Different ways of debugging a job in MapReduce?
Why Hadoop MapReduce?
Why is output file name in Hadoop MapReduce part-r-00000?
What is OutputCommitter?
What are the steps involved in MapReduce framework?
In Hadoop, which file controls reporting in Hadoop?
Explain the differences between a combiner and reducer
How to change a number of mappers running on a slave in MapReduce?
What is MapReduce?
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