Mention what job does the conf class do?
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Why does one remove or add nodes in a Hadoop cluster frequently?
Explain in which directory hadoop is installed?
What is structured and unstructured data?
How can we create a hadoop cluster from scratch?
What is Erasure Coding in Hadoop?
What is the procedure for namenode recovery?
Explain Data Locality in Hadoop?
Mention what does the text input format do?
Can you give some examples of Big Data?
What happens when two clients try to access the same file in the hdfs?
What webdav is in hadoop?
What are the important features of hadoop?
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