Explain what is hadoop?
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What do you think about the speculative execution?
What does the high availability of a name-node means? How is it accomplished?
Whats the default port that jobtrackers listens ?
Explain what is hadoop?
What is heartbeat in hadoop?
Is it possible to have hadoop job output in multiple directories?
What are 'slaves' and 'masters' in Hadoop?
Can we write map reduce program in other than java programming language. How?
What is High Availability feature in Hadoop2?
Explain the key benefits of using storm for real time processing?
Doesn’t google have its very own version of dfs?
What do you understand by unit and ()in scala?
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