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System Design Interview - Notification Service

Please check out my other video courses here: https://www.systemdesignthinking.com Topics mentioned in the video: Functional (create topic, publish message, subscribe to a topic) and non-functional (high scalability, high availability, high performance, durability) requirements. High-level architecture of a notification service. FrontEnd service host components (reverse proxy, local cache, logs and metrics agents). Metadata service, distributed cache, consistent hashing ring, gossip protocol. Storage for messages: SQL/NoSQL database, in-memory store, distributed message queue, stream-processing platform. Message sender service, thread pool, semaphore. Duplicate messages, retry policy, message order, security, monitoring. Inspired by the following interview questions: Amazon (https://www.careercup.com/question?id...) Flipkart (https://www.careercup.com/question?id...) Microsoft (https://www.careercup.com/question?id...) Uber (https://www.careercup.com/question?id...)