In mapreduce what is a scarce system resource? Explain?
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How to optimize Hadoop MapReduce Job?
How does fault tolerance work in mapreduce?
Which Sorting algorithm is used in Hadoop MapReduce?
What is the difference between Job and Task in MapReduce?
What is the data storage component used by Hadoop?
Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?
How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?
What are ‘maps’ and ‘reduces’?
List the network requirements for using Hadoop ?
Explain what you understand by speculative execution
What is the default input type in MapReduce?
Why Mapreduce output written in local disk?
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