Define a combiner?
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Explain the use of tasktracker in the hadoop cluster?
What are the two main components of ResourceManager?
Where is the Mapper Output stored?
How to Administering Hadoop?
What do you know about keyvaluetextinputformat?
What Mapper does?
Define a datanode?
How does NameNode tackle DataNode failures?
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
Explain how can we change the split size if our commodity hardware has less storage space?
What do you mean by taskinstance?
How many Daemon processes run on a Hadoop system?
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