How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
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What is JobTracker?
Name the files which are used by the startup and shutdown commands?
How Hadoop is cost-effective?
What is the non dfs used?
Explain how can you debug hadoop code?
What are the network requirements for hadoop?
Is hadoop still in demand?
What is a rack?
What is Slot in Hadoop v1? Why was it removed from Hadoop v2?
What is the basic difference between traditional RDBMS and Hadoop?
Clarify how job tracker schedules an assignment?
In which location name node sores its metadata and why?
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