Is Namenode machine same as DataNode machine as in terms of hardware?
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What is fsck?
List out the some common problems faced by data analyst?
Are there any special requirements for namenode?
What are the main components in Hadoop Eco-System and what are their functions ?
What is the difference between a hadoop database and relational database?
How many maps are there in a particular job?
What is the number of default partitioner in hadoop?
Explain what is jobtracker in hadoop? What are the actions followed by hadoop?
Ideally what should be replication factor in a Hadoop cluster?
Explain the common input formats in hadoop?
Name the most common Input Formats defined in Hadoop? Which one is default?
Clarify what a task tracker is in hadoop?
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