System Design Interview - Distributed Message Queue
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Topics mentioned in the video:
Synchronous vs asynchronous communication.
Functional (send message and receive message) and non-functional (scalability, high availability, high performance, durability) requirements.
High-level architecture of a distributed message queue.
VIP, Load balancer
FrontEnd service and its responsibilities (request validation, authentication and authorization, SSL termination, server-side data encryption, caching, rate limiting (throttling), request dispatching, request de-duplication, usage data collection).
Metadata service, distributed cache, consistent hashing ring.
Data storage options (leader-follower, cell-based architecture).
Data replication, message delivery semantics (at most once, at least once, exactly once), push vs pull, FIFO and message ordering, security, monitoring.
Inspired by the following interview questions:
Amazon (https://leetcode.com/discuss/intervie...)
Uber (https://www.careercup.com/question?id...)
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