Why do we need Hadoop Archives? How is it created?
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What is Federation?
Specify what the information segments utilized by hadoop are?
Why use hadoop?
Explain Erasure Coding in Hadoop?
How can native libraries be included in yarn jobs?
What are the important modes of hadoop?
How many datanodes can run on a single Hadoop cluster?
What does rack awareness algorithm means?
What happens if you don?t override the mapper methods and keep them as it is?
Explain how can you check whether namenode is working beside using the jps command?
What is Small File Problem in Hadoop? How can it be resolved?
What is a Heartbeat in Hadoop?
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