What is Data Locality in Hadoop?
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Where is Mapper output stored?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
What happens if the quantity of the reducer is 0 in mapreduce?
Is reduce-only job possible in Hadoop MapReduce?
What is the core of the job in MapReduce framework?
Developing a MapReduce Application?
What is SequenceFileInputFormat in Hadoop MapReduce?
What are the identity mapper and reducer in MapReduce?
how can you debug Hadoop code?
Write a short note on the disadvantages of mapreduce
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