Bilibili Tech
Dec 9, 2022 · Backend Development
Design and Architecture of Bilibili Comment System
The article details Bilibili’s modular, platform‑ized comment system architecture—covering core publishing, reading, and admin modules; a layered reply‑interface, service, and job design with multi‑level caching, sharded databases, hotspot detection, redundancy, security measures, and sophisticated hot‑comment ranking to sustain massive user traffic.
Cachingbackend architecturecomment system
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