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Who are ‘Data Scientists’?
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What is JobTracker?
What is the relationship between Jobs and Tasks in Hadoop?
What is namenode?
Can we create a hadoop cluster from scratch?
If we want to copy 10 blocks from one machine to another, but another machine can copy only 8.5 blocks, can the blocks be broken at the time of replication?
Ideally what should be replication factor in a Hadoop cluster?
What is Combiner in Hadoop?
Why do the nodes are removed and added frequently in a hadoop cluster?
What is the difference between namenode and datanode in hadoop?
Explain how can you debug hadoop code?
Explain is it possible to search for files using wildcards?
Can you explain edge nodes in hadoop?
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