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Is it important for Hadoop MapReduce jobs to be written in Java?
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Define Writable data types in MapReduce?
How does inputsplit in mapreduce determines the record boundaries correctly?
Where is the output of Mapper written in Hadoop?
Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
What is mapper in map reduce?
What are the four basic parameters of a reducer?
What are the various configuration parameters required to run a mapreduce job?
What counter in Hadoop MapReduce?
How to set the number of mappers to be created in MapReduce?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
How to set the number of mappers for a MapReduce job?
what does the text input format do?
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