How do you overwrite replication factor?
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Clarify what a task tracker is in hadoop?
Explain the common input formats in hadoop?
What do you understand by a closure in scala?
What is the role of the namenode?
In hadoop_pid_dir, what does pid stands for?
What happens in text format?
How analysis of Big Data is useful for organizations?
How does speculative execution work in Hadoop?
Can you explain edge nodes in hadoop?
Explain the usage of Context Object?
How often do you need to reformat the namenode?
Name the operating system(s) which are supported for production hadoop deployment?
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