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How does fault tolerance work in mapreduce?
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More MapReduce Interview Questions
Explain the difference between a MapReduce InputSplit and HDFS block?
What do sorting and shuffling do?
What is identity mapper and identity reducer?
What happens when the node running the map task fails before the map output has been sent to the reducer?
What platform and Java version is required to run Hadoop?
What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
Is YARN a replacement of Hadoop MapReduce?
What are ‘reduces’?
What is a TaskInstance?
How to write MapReduce Programs?
Which Sorting algorithm is used in Hadoop MapReduce?
What is the relation between MapReduce and Hive?
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