How would you tackle counting words in several text documents?
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What is the purpose of dfsadmin tool?
What are the default configuration files that are used in hadoop?
What infrastructure do we need to process 100 TB data using Hadoop?
Which files are used by the startup and shutdown commands?
What is output format in hadoop?
How does NameNode tackle DataNode failures?
What is the best hardware configuration to run Hadoop?
What is Schema on Read and Schema on Write?
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How is the option in Hadoop to skip the bad records?
What is a 'block' in HDFS?
What is Hadoop serialization?
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