What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?
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Does Partitioner run in its own JVM or shares with another process?
How many Reducers run for a MapReduce job?
Explain the process of spilling in MapReduce?
what are the main configuration parameters that user need to specify to run Mapreduce Job ?
Mention Hadoop core components?
What is a "reducer" in Hadoop?
What is reduce side join in mapreduce?
what is a Task Tracker in Hadoop?
How to sort intermediate output based on values in MapReduce?
What is the inputsplit in map reduce software?
What is RecordReader in a Map Reduce?
what is the Hadoop MapReduce APIs contract for a key and value class?
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