What is LazyOutputFormat in MapReduce?
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What is the Reducer used for?
What is the core of the job in MapReduce framework?
What is map/reduce job in hadoop?
What are the disservices of utilizing Apache Spark over Hadoop MapReduce?
What is the relation between MapReduce and Hive?
how Hadoop is different from other data processing tools?
what is storage and compute nodes?
For a Hadoop job, how will you write a custom partitioner?
How to specify more than one directory as input in the Hadoop MapReduce Program?
Is YARN a replacement of Hadoop MapReduce?
Explain what is shuffling in mapreduce?
Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?
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