How many Daemon processes run on a Hadoop system?
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What is Rack awareness?
Explain the Job OutputFormat?
What is 'Key value pair' in HDFS?
Explain what is sqoop in Hadoop ?
How to change from su to cloudera?
What is high availability in hadoop?
What is Apache Hadoop?
What is your favourite tool in the hadoop ecosystem?
What is HDFS Federation?
What are the different methods to run Spark over Apache Hadoop?
Is map like a pointer?
Who is a 'user' in HDFS?
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