What are configuration files in Hadoop?
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How will you write a custom partitioner for a Hadoop job?
What is KeyValueTextInputFormat in Hadoop?
How can you native libraries be included in yarn jobs?
Where are Hadoop’s configuration files located?
What happen on the namenode when a client tries to read a data file?
Can you give some examples of Big Data?
Web-ui shows that half of the datanodes are in decommissioning mode. What does that mean? Is it safe to remove those nodes from the network?
Which object can be used to get the progress of a particular job
Can we change the file cached by distributed cache
What are the four basic parameters of a mapper?
What are the common types of NOSQL data bases ?
How often DataNode send heartbeat to NameNode in Hadoop?
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