What are the default configuration files that are used in hadoop?
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Explain the basic architecture of Hadoop?
What is the default block size in hdfs?
Does Hadoop requires RAID?
What are the functionalities of jobtracker?
What is rack-aware replica placement policy?
What is structured data?
What is crontab? Explain with suitable example?
How can we look for the namenode in the browser?
How to keep HDFS cluster balanced?
What is 'Key value pair' in HDFS?
What are the port numbers of namenode, job tracker and task tracker?
Who invented hadoop?