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What are the difference between of the “HDFS Block” and “Input Split”?
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Answer / Rahul Kumar Rai
An HDFS Block is a physical unit of data stored in multiple replicas on DataNodes. An Input Split, on the other hand, is a logical division of a file for processing during MapReduce jobs. Each Input Split corresponds to one block or a part of a large block, and it contains metadata such as the location of the data on the cluster.
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