Can you explain rack awareness?
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How will you write a custom partitioner for a Hadoop job?
Can you explain combiner?
Can we write map reduce program in other than java programming language. How?
What is Rack Awareness? What is its need in Hadoop?
Specify what the information segments utilized by hadoop are?
What is winutils hadoop?
How does job tracker schedule a job for the task tracker?
Are there any special requirements for namenode?
Explain what is a sequence file in hadoop?
Explain what is sequencefileinputformat?
Explain what is storage and compute nodes?
After increasing the replication level, I still see that data is under replicated. What could be wrong?
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