What is compute and Storage nodes?
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What is a spill factor with respect to the ram?
What hadoop does in safe mode?
What are the main components of a Hadoop Application?
Is hadoop a memory?
What does the command mapred.job.tracker do?
How is the distance between two nodes defined in Hadoop?
How can I restart namenode?
What is Your Cluster size ?
What is the meaning of speculative execution in Hadoop? Why is it important?
How client application interacts with the NameNode?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
Define streaming access?
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