Ideally what should be the replication factor in hadoop?
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What are the tools used in big data?
Name the most common input formats defined in hadoop?
After increasing the replication level, I still see that data is under replicated. What could be wrong?
What does rack awareness algorithm means and why is it utilized as a part of hadoop?
Explain how Hadoop cluster hardware planning and provisioning is done?
What are the four modules that make up the Apache Hadoop framework?
What are the features of Fully-Distributed mode?
Explain the key benefits of using storm for real time processing?
Can you give some examples of Big Data?
What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
What happens if number of reducers are 0?
What is the difference between a hadoop database and relational database?
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