System Design · Senior · Question 69 of 75

1M video views per day at 50 MB each - roughly what average egress bandwidth is needed?

✓Correct answer: About 4.6 Gbit/s on average (50 TB/day), with peaks several times higher
2About 50 Mbit/s
3About 500 Gbit/s

Explanation

50 TB ÷ 86,400 s ≈ 0.58 GB/s ≈ 4.6 Gbit/s. This is why video is served from CDNs.

Further reading

GitHub: System Design Primer ↗

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