Can we set the number of reducers to zero in MapReduce?
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What is the job of blend () and repartition () in Map Reduce?
What main configuration parameters are specified in mapreduce?
List the network requirements for using Hadoop ?
What are the various input and output types supported by mapreduce?
How can we control particular key should go in a specific reducer?
What is mapreduce algorithm?
Mention what is the next step after mapper or maptask?
What do you mean by inputformat?
Where is the output of Mapper written in Hadoop?
A number of combiners can be changed or not in MapReduce?
What is the difference between HDFS block and input split?
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
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