Clarify what a task tracker is in hadoop?
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Mention what are the three modes in which hadoop can be run?
What are the primary phases of the reducer?
What is the relationship between Jobs and Tasks in Hadoop?
How is the splitting of file invoked in Hadoop framework?
What is TextInputFormat in Hadoop?
How is the splitting of file invoked in Hadoop ?
How is security achieved in Hadoop?
What is the command to change the replication factor ?
Can you explain rack awareness?
What is Slot in Hadoop v1? Why was it removed from Hadoop v2?
When we send a data to a node, do we allow settling in time, before sending another data to that node?
Which modes can Hadoop be run in? List a few features for each mode?
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