Hld
System Design
Easy
SafeStream: AI-Driven Content Moderation Pipeline
Design a moderation backend for a video sharing platform receiving 10,000 hours of video per minute. Every upload must pass through three AI models (Visual NSFW, Audio Profanity, Copyright) and potentially a human review queue if AI confidence is low. Users shouldn't see the video as 'Public' until checks pass.
Key concepts
message queuesasync processingfan-out
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