What is formatting of the dfs?
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Is client the end user in HDFS?
How can you overwrite the replication factors in HDFS?
What is Rack awareness?
How can we look for the namenode in the browser?
What are the additional benefits YARN brings in to Hadoop?
What are the limitations of importing RDBMS tables into Hcatalog directly?
What is speculative execution in Hadoop?
Can the balancer be run while Hadoop is in use?
How to write a Custom Key Class?
What do shuffling do?
What do you know about nlineoutputformat?
What is compute and Storage nodes?
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