What is the core of the job in MapReduce framework?
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A number of combiners can be changed or not in MapReduce?
Where is Mapper output stored?
In MapReduce, ideally how many mappers should be configured on a slave?
Define the Use of MapReduce?
What do you understand by compute and storage nodes?
What MapReduce framework consists of?
For a job in Hadoop, is it possible to change the number of mappers to be created?
Is reduce-only job possible in Hadoop MapReduce?
What platform and Java version is required to run Hadoop?
What is an identity mapper and identity reducer?
Explain the Reducer's reduce phase?
How to overwrite an existing output file during execution of mapreduce jobs?
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