Explain the wordcount implementation via hadoop framework ?
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What is cloudera and why it is used?
What is the problem with small files in Apache Hadoop?
Explain what is sqoop in Hadoop ?
How does NameNode tackle DataNode failures?
Explain the master class and the output class do?
How is HDFS fault tolerant?
Suppose Hadoop spawned 100 tasks for a job and one of the task failed. What will Hadoop do?
what is meaning Replication factor?
What is Derby database?
What is yarn in hadoop?
Explain the use of tasktracker in the hadoop cluster?
What is hadoop framework?
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