Design Twitter / X home feed
A complete 45-minute mock covering write fanout, celebrity carve-out, and feed storage.
第一個成果
You can defend push vs. pull vs. hybrid fanout with concrete thresholds.
適合對象
Engineers prepping for FAANG system design interviews
需要
Mac, Microphone, Whiteboard tool (Excalidraw, Figma, etc.)
範例成果
You can defend push vs. pull vs. hybrid fanout with concrete thresholds.
A complete 45-minute mock covering write fanout, celebrity carve-out, and feed storage.
模擬面試
階段完成
6
需求、核心實體、API、整體設計、深入主題與總結，全部用具體數字走完一輪。
深入主題
兩到三個子系統
你主動帶起最具張力的取捨，必要時搭配 sub-100ms 的具體數字。
總結
清楚說出這個設計優化了什麼、捨棄了什麼。