What is NoSQL?
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Have you ever used Counters in Hadoop. Give us an example scenario?
What infrastructure do we need to process 100 TB data using Hadoop?
Explain a simple Map/Reduce problem.
How does NameNode tackle DataNode failures?
What is HDFS - Hadoop Distributed File System?
What are the additional benefits YARN brings in to Hadoop?
What are the two main components of ResourceManager?
How to resolve IOException: Cannot create directory
Is fs.mapr.working.dir a single directory?
what is meaning Replication factor?
What is the purpose of dfsadmin tool?
What is the purpose of button groups?
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