What are the different commands used to startup and shutdown Hadoop daemons?
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What is the difference between TextInputFormat and KeyValueInputFormat class?
How to create a user in Hadoop?
Is Namenode machine same as DataNode machine as in terms of hardware?
Define a sequence file in hadoop?
Explain how do you overwrite replication factor?
Explain what is a task tracker in hadoop?
What is the difference between a hadoop database and relational database?
What happens when two clients try to access the same file in the hdfs?
What are the core components of Hadoop?
What is the hadoop-core configuration?
What is TextInputFormat in Hadoop?
Which one is default?
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