How does inputsplit in mapreduce determines the record boundaries correctly?
What is the difference between RDBMS with Hadoop MapReduce?
Is it legal to set the number of reducer task to zero? Where the output will be stored in this case?
what is storage and compute nodes?
What are advantages of Spark over MapReduce?
What is the function of mapreducer partitioner?
What is a Distributed Cache in Hadoop?
What is heartbeat in hdfs?
Explain about the partitioning, shuffle and sort phase in MapReduce?
What is a "map" in Hadoop?
Explain the Reducer's Sort phase?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
What are the advantages of using map side join in mapreduce?