What is HDFS Federation?
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How client application interacts with the NameNode?
Command to format the NameNode?
How indexing is done in HDFS?
Why do we use Hadoop?
How is HDFS fault tolerant?
On which port does ssh work?
Explain the use of tasktracker in the hadoop cluster?
How to change from su to cloudera?
What are the basic available commands in Hadoop sqoop ?
What is Hadoop?
Explain how do ‘map’ and ‘reduce’ works?
How to Administering Hadoop?
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