What is the fundamental difference between a MapReduce Split and a HDFS block?sc

What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?

Question Posted / abhilash mishra

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More MapReduce Interview Questions

Mention when to use Map reduce mode?

What is the difference between HDFS block and input split?

Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.

mapper or reducer?

Clarify what combiners are and when you should utilize a combiner in a map reduce job?

what daemons run on a master node and slave nodes?

Map reduce jobs take too long. What can be done to improve the performance of the cluster?

Does Partitioner run in its own JVM or shares with another process?

Explain what is shuffling in mapreduce?

When the reducers are are started in a mapreduce job?

what happens when Hadoop spawned 50 tasks for a job and one of the task failed?

How many numbers of reducers run in Map-Reduce Job?

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