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What do you understand by mapreduce?
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what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
What is a MapReduce Combiner?
What platform and Java version is required to run Hadoop?
What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?
What MapReduce framework consists of?
What does a 'MapReduce Partitioner' do?
How to set the number of mappers to be created in MapReduce?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
Where the mapper's intermediate data will be stored?
What are the disservices of utilizing Apache Spark over Hadoop MapReduce?
What is Shuffling and Sorting in a MapReduce?
What are the four basic parameters of a reducer?
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