How to change a number of mappers running on a slave in MapReduce?
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What is SequenceFileInputFormat in Hadoop MapReduce?
What is the inputsplit in map reduce software?
What is MapReduce? What are the syntax you use to run a MapReduce program?
What platform and Java version is required to run Hadoop?
Define the purpose of the partition function in mapreduce framework
Explain JobConf in MapReduce.
What is the relationship between Job and Task in Hadoop?
What is the problem with the small file in Hadoop?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
Is it legal to set the number of reducer task to zero? Where the output will be stored in this case?
What do you understand by compute and storage nodes?
how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
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