Why Hadoop performs replication, although it results in data redundancy?
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is there a standard procedure to deploy hadoop?
Explain some important features of hadoop?
What mode(s) can hadoop code be run in?
Specify what the information segments utilized by hadoop are?
Explain how jobtracker schedules a task?
Explain what is jobtracker in hadoop? What are the actions followed by hadoop?
What jobtracker is in hadoop? What are the activities followed by hadoop?
What is JPS? Why is it used in Hadoop?
What is the difference between a hadoop database and relational database?
If the hadoop administrator needs to make a change, which configuration file does he need to change?
How does job tracker schedule a job for the task tracker?
How to use combiner in hadoop ?
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