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Backend & Distributed Systems

Intermediate

Background Jobs & Message Queues Visualized: Workers, Retries & Dead Letters

Watch producers, queues, workers, retries, duplicate deliveries, backpressure, and dead-letter handling change under real failure scenarios.

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Queue and Worker Simulator

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Rate Limiting Visualized: Fixed Window, Sliding Window & Token Bucket Debugging Distributed Systems: Logs, Metrics & Traces Visualized Caching Visualized: Browser, CDN, API & Database Caches