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Homepage timeline

The tutorial says:

Next, we’ll discuss Top K tweets in a user’s homepage timeline.

But where does it discuss homepage timeline in regard to sharded counter? Are these two concepts related at all?


Course: Grokking Modern System Design Interview for Engineers & Managers - Learn Interactively
Lesson: Detailed Design of Sharded Counters - Grokking Modern System Design Interview for Engineers & Managers

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Hi @Jiao_Peng, we don’t discuss timeline-making here. Here we are saying that to come up with the top trending tweets; we will need sharded counters. So top K trends on the homepage timeline is a client of sharded counters.