How to write MapReduce Programs?
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Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?
List the network requirements for using Hadoop ?
What is the Hadoop MapReduce API contract for a key and value Class?
how to proceed to write your first mapreducer program?
How does MapReduce framework view its input internally?
What is an identity mapper and identity reducer?
what are the most common input formats defined in Hadoop?
what is NameNode in Hadoop?
How do you stop a running job gracefully?
What is a RecordReader in Hadoop MapReduce?
Explain the process of spilling in MapReduce?
What does conf.setmapper class do?
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