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Why Hadoop MapReduce?
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In Map Reduce why map write output to Local Disk instead of HDFS?
Explain what is “map” and what is "reducer" in hadoop?
When is it not recommended to use MapReduce paradigm for large
What is the purpose of textinputformat?
Define the purpose of the partition function in mapreduce framework
How many Reducers run for a MapReduce job?
What are the various configuration parameters required to run a mapreduce job?
What is a RecordReader in Hadoop MapReduce?
List out Hadoop's three configuration files?
What is heartbeat in hdfs? Explain.
What is the difference between Job and Task in MapReduce?
What happens when the node running the map task fails before the map output has been sent to the reducer?
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