What do you understand by the term Straggler ?
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Explain job scheduling through JobTracker
Explain about the basic parameters of mapper and reducer function
when do reducers play their role in a mapreduce task?
What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?
what happens in textinformat ?
How many times combiner is called on a mapper node in Hadoop?
How to change a number of mappers running on a slave 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?
What MapReduce framework consists of?
What is the process of changing the split size if there is limited storage space on Commodity Hardware?
What are the main configuration parameters in a MapReduce program?
Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
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