How to configure hadoop to reuse JVM for mappers?
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Mention what are the data components used by Hadoop?
What is Disk Balancer in Apache Hadoop?
Is it possible to provide multiple inputs to hadoop? If yes, explain.
Name the examples of some companies that are using hadoop structure?
What are the hadoop's three configuration files?
What are the two main components of ResourceManager?
did you maintain the hadoop cluster in-house or used hadoop in the cloud?
Define a namenode?
How many instances of tasktracker run on a hadoop cluster?
What should be the ideal replication factor in Hadoop Cluster?
What is cloudera and why it is used?
What is a “Distributed Cache” in Apache Hadoop?