What is the default replication factor and how will you change it?
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What is JobTracker?
Name the operating system(s) which are supported for production hadoop deployment?
Suppose hadoop spawned 100 tasks for a job and one of the tasks failed. What will hadoop do?
What is Federation?
Can we deploy job tracker other than name node?
What is the use of context object?
Why slaves limited to 4000 in hadoop version 1?
Explain Hadoop streaming?
What are the important features of hadoop?
Is it possible to provide multiple input to Hadoop? If yes then how can you give multiple directories as input to the Hadoop job?
Is it possible to rename the output file, and if so, how?
What does jps command do in Hadoop?
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