List the network requirements for using Hadoop ?
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What are the four basic parameters of a reducer?
When is the reducers are started in a MapReduce job?
Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
What is sqoop in Hadoop ?
Explain about the partitioning, shuffle and sort phase
What is the next step after Mapper or MapTask?
What is Output Format in MapReduce?
How to set the number of reducers?
How to change the name of the output file from part-r-00000 in Hadoop MapReduce?
Why comparison of types is important for MapReduce?
Explain the differences between a combiner and reducer
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