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← CoursesSystem Design for Python JuniorsModule 3 · Databases & StorageDesigning a feed (Twitter/Instagram timeline)quiz32 / 101
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📝 **Question:** Designing Twitter: a celebrity has 100M followers. Using pure fan-out-on-write, each of her tweets triggers 100M writes. How do you fix this WITHOUT killing read performance for normal users? 📋 Pick the right answer. 💡 **Hint:** Re-read the theory above if unsure.

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📝 **Question:** Designing Twitter: a celebrity has 100M followers. Using pure fan-out-on-write, each of her tweets triggers 100M writes. How do you fix this WITHOUT killing read performance for normal users? 📋 Pick the right answer. 💡 **Hint:** Re-read the theory above if unsure.
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