Compare Hadoop and RDBMS?
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Which operating system(s) are supported for production hadoop deployment?
Explain what is sequencefileinputformat?
Can we deploye job tracker other than name node?
List out some common problems faced by data analyst?
What is the role of the secondary namenode?
what if job tracker machine is down?
What is a udf?
Can you explain rack awareness?
What are the functionalities of jobtracer?
What are the different commands used to startup and shutdown Hadoop daemons?
What are the actions followed by hadoop?
What happen if number of reducer is set to 0 in Hadoop?
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