Explain the benefits of block transfer?
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What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
Who invented hadoop?
What is safe mode in Hadoop?
Explain what if rack 2 and datanode fails?
What is Hadoop Custom partitioner ?
What are the two main parts of the hadoop framework?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
What is Rack Awareness in Apache Hadoop?
Explain use cases where SequenceFile class can be a good fit?
Define a task tracker?
Does hadoop always require digital data to process?
What is the problem with HDFS and streaming data like logs
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