How many datanodes can run on a single Hadoop cluster?
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What is a namenode?
Can we deploye job tracker other than name node?
What does name-node mean in hadoop?
What are the port numbers of namenode?
How is security achieved in Hadoop?
Explain what is webdav in hadoop?
How Big is ‘Big Data’?
Can you explain record reader?
Mention what is rack awareness?
How does speculative execution work in Hadoop?
What are the primary phases of the reducer?
How is the splitting of file invoked in Hadoop ?
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