What is difference between an input split and hdfs block?
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Which are the methods in the mapper interface?
What are the various configuration parameters required to run a mapreduce job?
How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?
What is OutputCommitter?
What is shuffling in mapreduce?
Explain Working of MapReduce?
Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
What is an input reader in reference to mapreduce?
What do you understand by compute and storage nodes?
What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
Where is the output of Mapper written in Hadoop?
What is the Job interface in MapReduce framework?
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