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What is the difference between RDBMS with Hadoop MapReduce?
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what is a sequence file in Hadoop?
when do reducers play their role in a mapreduce task?
How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?
Where sorting is done on mapper node or reducer node in MapReduce?
how can you check whether Namenode is working beside using the jps command?
mapper or reducer?
How many InputSplits is made by a Hadoop Framework?
What is the key- value pair in Hadoop MapReduce?
What are the steps involved in MapReduce framework?
What happens if the quantity of the reducer is 0 in mapreduce?
What happens when a datanode fails ?
What main configuration parameters are specified in mapreduce?
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