What are the two main parts of the hadoop framework?
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Can Apache Kafka be used without Zookeeper?
What is the purpose of dfsadmin tool?
What do you understand from Node redundancy and is it exist in hadoop cluster?
Explain the use of tasktracker in the hadoop cluster?
What is the port number for NameNode
Define streaming?
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?
Explain what is sqoop in Hadoop ?
How many maximum jvm can run on a slave node?
What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?
How the Client communicates with HDFS?
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