What is the number of default partitioner in hadoop?
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What are the benefits yarn brings in to hadoop?
Mention what is distributed cache in hadoop?
What is replication factor?
Explain what is a task tracker in hadoop?
Is it possible to rename the output file, and if so, how?
Can I set the number of reducers to zero?
What are the port numbers of task tracker?
Explain what is sequencefileinputformat?
Why cloudera is used?
How many InputSplits will be made by hadoop framework?
If DataNode increases, then do we need to upgrade NameNode?
Hadoop achieves parallelism by dividing the tasks across many nodes, it is possible for a few slow nodes to rate-limit the rest of the program and slow down the program. What mechanism Hadoop provides to combat this?
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