Which are the methods in the mapper interface?
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What is shuffling and sorting in mapreduce?
What are the disservices of utilizing Apache Spark over Hadoop MapReduce?
What are the advantages of using map side join in mapreduce?
Is it possible to rename the output file?
What is optimal size of a file for distributed cache?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
Can we set the number of reducers to zero in MapReduce?
Explain task granularity
What is Reduce only jobs?
how JobTracker schedules a task ?
When Namenode is down what happens to job tracker?
What is sqoop in Hadoop ?
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