How is reporting controlled in hadoop?
What is the difference between map and reduce?
What is a Distributed Cache in Hadoop?
How to set the number of mappers for a MapReduce job?
Why comparison of types is important for MapReduce?
Explain the differences between a combiner and reducer
Explain about the basic parameters of mapper and reducer function
How hadoop mapreduce works?
How does fault tolerance work in mapreduce?
What is Output Format in MapReduce?
What is a "map" in Hadoop?
How is reporting controlled in hadoop?
Explain what is “map” and what is "reducer" in hadoop?