What is Federation?
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What is the command to change the replication factor ?
Hadoop achieves parallelism by dividing the tasks across many nodes, it is possible for a few slow nodes to rate-limit the rest of the program and slow down the program. What mechanism Hadoop provides to combat this?
According to IBM, what are the three characteristics of Big Data?
How to create a user in Hadoop?
Which language is more suitable for text analytics? R or python?
Define “speculative execution” in hadoop?
Can you give a detailed overview about the Big Data being generated by Facebook?
How NameNode tackle Datanode failures in Hadoop?
What are the main components in Hadoop Eco-System and what are their functions ?
Explain in which directory hadoop is installed?
What are the primary phases of the reducer?
What is job tracker role in hadoop?
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