What is the function of ApplicationMaster?
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Are Namenode and job tracker on the same host?
Explain what is sqoop in Hadoop ?
Is client the end user in HDFS?
What is rack-aware replica placement policy?
Can Hadoop be compared to NOSQL database like Cassandra?
How can we check whether namenode is working or not?
How is the distance between two nodes defined in Hadoop?
How did you debug your Hadoop code ?
what is meaning Replication factor?
Name the examples of some companies that are using hadoop structure?
What platform and java version are required to run hadoop?
What is Derby database?