Explain what is shuffling in mapreduce?
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What is the difference between Hadoop and RDBMS?
Is it possible to search for files using wildcards?
What is the process of changing the split size if there is limited storage space on Commodity Hardware?
What is the inputsplit in map reduce software?
how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
what are the most common input formats defined in Hadoop?
What is Hadoop Map Reduce ?
How does MapReduce framework view its input internally?
What is Counter in MapReduce?
What happen if the number of the reducer is 0 in MapReduce?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
What are the disservices of utilizing Apache Spark over Hadoop MapReduce?
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