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What is the difference between map and reduce?
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More MapReduce Interview Questions
Explain what you understand by speculative execution
Explain task granularity
Where the mapper's intermediate data will be stored?
What is shuffling and sorting in mapreduce?
What platform and Java version is required to run Hadoop?
How to optimize MapReduce Job?
When Namenode is down what happens to job tracker?
Explain the input type/format in mapreduce by default?
What do you understand by compute and storage nodes?
what is NameNode in Hadoop?
How to change a number of mappers running on a slave in MapReduce?
What is the inputsplit in map reduce software?
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