What is the purpose of DataNode block scanner?
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Explain what is the purpose of RecordReader in Hadoop?
What is formatting of the dfs?
What is yarn in hadoop?
Explain the benefits of block transfer?
Can the balancer be run while Hadoop is in use?
Define a metadata?
What is difference between split and block in hadoop?
What is the problem with small files in Apache Hadoop?
What is the purpose of dfsadmin tool?
How will you make changes to the default configuration files?
Name the various types of lists supported by bootstrap.
What are the two main parts of the hadoop framework?
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