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High-Concurrency Course Selection System Review

·38 words·1 min
Project Review Redis RabbitMQ High Concurrency
Huayang Gao
Author
Huayang Gao
Notes on projects, source code reading, backend engineering and AI applications.

The main course selection pipeline:

Request validation -> Redis Lua pre-deduction -> Redis Stream -> RabbitMQ -> MySQL write

This project focuses on:

  • Preventing overselling under high concurrency
  • Reliable message delivery
  • Idempotent consumption
  • Retry and dead letter compensation