What is TaskTracker?
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What is partitioning?
Explain what is jobtracker in hadoop? What are the actions followed by hadoop?
Explain what is sequencefileinputformat?
What is distributed copy (distcp)?
In hadoop_pid_dir, what does pid stands for?
Give me examples of unstructured data?
Explain how do you overwrite replication factor?
Explain what is a sequence file in hadoop?
Where are hadoop’s configuration files located and list them?
What is the use of context object?
What daemons run on master nodes?
What happen if one of the datanodes has much slower cpu?
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