Mention when to use Map reduce mode?
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How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?
What is MapReduce in Hadoop?
Explain what does the conf.setMapper Class do in MapReduce?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
Is it important for Hadoop MapReduce jobs to be written in Java?
What do you mean by data locality?
When is it suggested to use a combiner in a MapReduce job?
What is a map side join?
What is Reduce only jobs?
List out Hadoop's three configuration files?
What is the difference between HDFS block and input split?
List the network requirements for using Hadoop ?
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