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Is reduce-only job possible in Hadoop MapReduce?
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More MapReduce Interview Questions
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
Why Hadoop MapReduce?
Mention when to use Map reduce mode?
What is the fundamental difference between a MapReduce InputSplit and HDFS block?
What are the four basic parameters of a reducer?
What is the data storage component used by Hadoop?
Compare RDBMS with Hadoop MapReduce.
Define MapReduce?
Mention what is the next step after mapper or maptask?
How does Mappers run method works?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
Explain what does the conf.setmapper class do?
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