What are the main configuration parameters in a MapReduce program?
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What is difference between an input split and hdfs block?
What is the default input type in MapReduce?
What is the need of MapReduce?
What is the job of blend () and repartition () in Map Reduce?
Mention Hadoop core components?
what is Speculative Execution?
What is InputFormat in Hadoop MapReduce?
Illustrate a simple example of the working of MapReduce.
What combiners is and when you should use a combiner in a MapReduce Job?
How does MapReduce framework view its input internally?
List out Hadoop's three configuration files?
What combiners are and when you should use a combiner in a mapreduce job?
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