Define fault tolerance?
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how to share the metastore within multiple users?
What are the two main components of ResourceManager?
Explain the core components of hadoop?
What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
Is hadoop a memory?
what are the nodes in the Hadoop cluster?
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
What infrastructure do we need to process 100 TB data using Hadoop?
What is the purpose of button groups?
How is security achieved in Apache Hadoop?
What is the difference between Hadoop and Traditional RDBMS?
How will you make changes to the default configuration files?
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