What does a split do?
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What happens when the node running the map task fails before the map output has been sent to the reducer?
What is the difference between an RDBMS and Hadoop?
What do sorting and shuffling do?
What is the role of a MapReduce partitioner?
What do you understand by mapreduce?
When Namenode is down what happens to job tracker?
Can we rename the output file?
Define the Use of MapReduce?
Why MapReduce uses the key-value pair to process the data?
What do you understand by compute and storage nodes?
Is YARN a replacement of Hadoop MapReduce?
What is the difference between Job and Task in MapReduce?
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