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MapReduce Interview Questions
Un-Answered Questions { MapReduce }
In MapReduce, ideally how many mappers should be configured on a slave?
Define Writable data types in MapReduce?
What is mapper in map reduce?
What is a Distributed Cache in Hadoop?
What is the InputSplit in map reduce ?
What is identity mapper and chain mapper?
Where is the output of Mapper written in Hadoop?
What are the various configuration parameters required to run a mapreduce job?
Where sorting is done in Hadoop MapReduce Job?
Why Mapreduce output written in local disk?
How to create custom key and custom value in MapReduce Job?
What is the Job interface in MapReduce framework?
List the network requirements for using Hadoop ?
What is a scarce system resource?
How to set the number of mappers to be created in MapReduce?
