What is difference between a MapReduce InputSplit and HDFS block
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More MapReduce Interview Questions
what is the Hadoop MapReduce APIs contract for a key and value class?
Explain combiners.
How to set the number of mappers for a MapReduce job?
what is distributed cache in mapreduce framework?
Name job control options specified by mapreduce.
What is an identity mapper and identity reducer?
When Namenode is down what happens to job tracker?
Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?
What is reduce side join in mapreduce?
what is storage and compute nodes?
What is Reduce only jobs?
Define the Use of MapReduce?
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