how can you debug Hadoop code?
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What is SequenceFileInputFormat?
Why is Apache Spark faster than Hadoop MapReduce?
What is identity mapper and identity reducer?
When the reducers are are started in a mapreduce job?
What is Text Input Format?
Explain how mapreduce works.
Explain combiners.
Explain the differences between a combiner and reducer
What is the inputsplit in map reduce software?
Compare Pig vs Hive vs Hadoop MapReduce?
Different ways of debugging a job in MapReduce?
How many numbers of reducers run in Map-Reduce Job?
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