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Where is hadoop-env.sh file present?
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What is the basic difference between traditional RDBMS and Hadoop?
What does the high availability of a name-node means? How is it accomplished?
Where are hadoop’s configuration files located and list them?
Explain how Hadoop cluster hardware planning and provisioning is done?
What is the problem with small files in Hadoop?
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?
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