What is the difference between an inputsplit and a block?
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Is nosql follow relational db model?
For using hadoop list the network requirements?
Which port does SSH work on?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
How is the splitting of file invoked in Hadoop ?
How NameNode tackle Datanode failures in Hadoop?
Explain the core methods of the reducer?
Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?
Are job tracker and task trackers present in separate machines?
What is Chain Mapper?
what is next step after mapper or maptask?
What is High Availability feature in Hadoop2?
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