What is oozie in hadoop?
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what is SPF?
What is Hadoop serialization?
Explain the master class and the output class do?
Explain the use of .mecia class?
did you maintain the hadoop cluster in-house or used hadoop in the cloud?
Does this lead to security issues?
What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
How we can take Hadoop out of Safe Mode?
What is the use of Combiner?
How to enable recycle bin or trash in hadoop?
What do you know about nlineoutputformat?
what are the steps involved in decommissioning removing
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