Explain how mapreduce works.
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What is the fundamental difference between a MapReduce InputSplit and HDFS block?
How many Mappers run for a MapReduce job?
how JobTracker schedules a task ?
In MapReduce Data Flow, when Combiner is called?
How many InputSplits is made by a Hadoop Framework?
What are the benefits of Spark over MapReduce?
What is the difference between Hadoop and RDBMS?
Explain the general mapreduce algorithm
What is the default value of map and reduce max attempts?
What is difference between an input split and hdfs block?
When is it not recommended to use MapReduce paradigm for large
For a Hadoop job, how will you write a custom partitioner?
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