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What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?
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Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
What is MapReduce?
Compare Pig vs Hive vs Hadoop MapReduce?
How many times combiner is called on a mapper node in Hadoop?
Explain the input type/format in mapreduce by default?
What comes in Hadoop 2.0 and MapReduce V2 YARN
How hadoop mapreduce works?
Explain the differences between a combiner and reducer
What are the various configuration parameters required to run a mapreduce job?
How can you add the arbitrary key-value pairs in your mapper?
What is a IdentityMapper and IdentityReducer in MapReduce ?
How does Mappers run method works?
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