What is streaming?
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What MapReduce framework consists of?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
What are the identity mapper and reducer in MapReduce?
It can be possible that a Job has 0 reducers?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
What is the relation between MapReduce and Hive?
In Hadoop what is InputSplit?
Write a short note on the disadvantages of mapreduce
Explain what are the basic parameters of a mapper?
how Hadoop is different from other data processing tools?
What is shuffling in mapreduce?
When should you use sequencefileinputformat?
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