Can MapReduce program be written in any language other than Java?
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What is the Job interface in MapReduce framework?
Explain task granularity
How to set mappers and reducers for MapReduce jobs?
Can we set the number of reducers to zero in MapReduce?
In mapreduce what is a scarce system resource? Explain?
Explain the process of spilling in MapReduce?
Is reduce-only job possible in Hadoop MapReduce?
What is a RecordReader in Hadoop MapReduce?
List out Hadoop's three configuration files?
Explain what is distributed cache in mapreduce framework?
What is a "reducer" in Hadoop?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
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