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Previous Year Question (PYQs)



Consider a popular sports news site. At a given moment, 20,000 concurrent users submit a request, a transaction T, once every 2 minutes on average. Each transaction requires the webapp to download a new article that on average has 3k bytes in length. What is the throughput?





Solution

Number of transactions per second:


$ \frac{20000}{120} = 166.67 $


Size of each article:


$3k$ bytes $= 3000$ bytes


$3000$ bytes $= 3000 \times 8 = 24000$ bits


Throughput:


$166.67 \times 24000 = 4000000$ bits per second


$= 4$ megabits per second



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