Question: This question was asked before but it was solved incorrectly Question: Imagine that you want to analyze one terabyte (1 TB) of data that is

This question was asked before but it was solved incorrectly

Question: Imagine that you want to analyze one terabyte (1 TB) of data that is residing in a single machine with eight input/output channels, where each channel has a reading speed of 150 megabytes per second (MB/s).

Calculate the time it takes for the reader to read the entire file.

150x8=1200 MB, 1 TB = 1000000 MB / 1200 = 833 Seconds

To speed up the reading operation, consider adding more machines and creating a distributed cluster. What is the minimum number of machines you should install in the cluster so the entire read time is less than 10 seconds?

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