How hadoop mapreduce works?
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What happens if the quantity of the reducer is 0 in mapreduce?
What is a "map" in Hadoop?
What is optimal size of a file for distributed cache?
List out Hadoop's three configuration files?
Why MapReduce uses the key-value pair to process the data?
What are the configuration parameters in the 'MapReduce' program?
Is reduce-only job possible in Hadoop MapReduce?
How many Reducers run for a MapReduce job?
What is Mapper in Hadoop MapReduce?
What do you mean by inputformat?
What is heartbeat in hdfs?
What is a "reducer" in Hadoop?
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