How many instances of tasktracker run on a hadoop cluster?
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when hadoop enter in safe mode?
What is a checkpoint?
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Name the various types of lists supported by bootstrap.
What is Derby database?
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Does this lead to security issues?
What is the difference between HDFS and NAS ?
Which command is used for the retrieval of the status of daemons running the hadoop cluster?
How can one increase replication factor to a desired value in Hadoop?
How many instances of a jobtracker run on hadoop cluster?
What is Input Split in hadoop?
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