What are the four basic parameters of a reducer?
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Why is output file name in Hadoop MapReduce part-r-00000?
Explain task granularity
Write a short note on the disadvantages of mapreduce
What are the steps involved in MapReduce framework?
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
what does the text input format do?
When is it not recommended to use MapReduce paradigm for large
Differentiate Reducer and Combiner in Hadoop MapReduce?
How to set the number of mappers for a MapReduce job?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
How can you add the arbitrary key-value pairs in your mapper?
Explain job scheduling through JobTracker
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