Can we create a hadoop cluster from scratch?
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How does job tracker schedule a job for the task tracker?
Can we use windows for hadoop?
What do you understand by unit and ()in scala?
Ideally what should be replication factor in a Hadoop cluster?
Explain what is sequencefileinputformat?
What are the port numbers of job tracker?
Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?
Define a udf?
what is next step after mapper or maptask?
Give me an example of document database ?
Is nosql follow relational db model?
Why aggregation cannot be done in Mapper?
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