How to restart Namenode?
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What is compute and Storage nodes?
What problems have you faced when you are working on Hadoop code?
How would you tackle counting words in several text documents?
Explain the basic difference between traditional rdbms and hadoop?
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
What are the port numbers of namenode, job tracker and task tracker?
Can hive run without hadoop?
What will be the consideration while we do Hardware Planning for Master in Hadoop architecture?
Explain why the name ‘hadoop’?
What happens to job tracker when namenode is down?
What are the problems with Hadoop 1.0?
What is the functionality of jobtracker in hadoop?
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