System Design · Datadog · Medium
Design a service that monitors an incoming stream of public images (for example, photos uploaded to a social media platform). Whenever the face of a registered user is detected in one of those images, the system should notify that user so they can review the match, react to it, or submit a takedown request. Assume that an external event pipeline reliably delivers image-bearing events into our system, and that a mature face-recognition model already exists as a dependency; we…
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