What is the key- value pair in MapReduce?
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Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
What is the role of a MapReduce partitioner?
What is optimal size of a file for distributed cache?
How to sort intermediate output based on values in MapReduce?
What is the data storage component used by Hadoop?
What platform and Java version is required to run Hadoop?
What is shuffleing in mapreduce?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
What is reduce side join in mapreduce?
What are the four basic parameters of a reducer?
What is the Reducer used for?
Define MapReduce?
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