What's the best way to copy files between HDFS clusters?
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Is map like a pointer?
What is a Task instance in Hadoop? Where does it run?1
How can you overwrite the replication factors in HDFS?
Explain how can we change the split size if our commodity hardware has less storage space?
What is HDFS block size and what did you chose in your project?
Define a job tracker?
What is Distributed Cache?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
How is the distance between two nodes defined in Hadoop?
What are watches?
What do sorting do?
How many instances of JobTracker can run on a Hadoop Cluser?
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