How we can take Hadoop out of Safe Mode?
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Is a job split into maps?
What does the command mapred.job.tracker do?
On what basis name node distribute blocks across the data nodes?
Define a task tracker?
What is Rack awareness?
Does this lead to security issues?
what is difference between int and intwritable?
What are the characteristics of hadoop framework?
What is the difference between hadoop and other data processing tools?
How to enable recycle bin or trash in hadoop?
What do the master class and the output class do?
Explain what is sqoop in Hadoop ?
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