What are the configuration parameters in the 'MapReduce' program?
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What is the difference between HDFS block and input split?
Explain JobConf in MapReduce.
How data is spilt in Hadoop?
Explain the input type/format in mapreduce by default?
Explain Working of MapReduce?
Explain the process of spilling in Hadoop MapReduce?
Map reduce jobs take too long. What can be done to improve the performance of the cluster?
What do you understand by compute and storage nodes?
When is the reducers are started in a MapReduce job?
How to set mappers and reducers for MapReduce jobs?
What is mapreduce algorithm?
What is shuffling and sorting in mapreduce?