what is Speculative Execution?
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What is a scarce system resource?
How is reporting controlled in hadoop?
what are the main configuration parameters that user need to specify to run Mapreduce Job ?
For a Hadoop job, how will you write a custom partitioner?
How to set which framework would be used to run mapreduce program?
Why MapReduce uses the key-value pair to process the data?
What is heartbeat in hdfs?
What is Shuffling and Sorting in a MapReduce?
How much space will the split occupy in Mapreduce?
Explain what is the function of mapreduce partitioner?
How to write MapReduce Programs?
What are the main components of MapReduce Job?