IT Services Circle
Oct 11, 2025 · Databases
Crack Backend Interviews: Redis, MySQL Locks, MQs & XiaoHongShu Salary Secrets
The article combines a surprising look at XiaoHongShu's record‑breaking graduate salaries with a comprehensive backend interview guide covering Redis advantages and drawbacks, common data structures, persistence and high‑availability, MySQL lock types, optimistic vs. pessimistic locking, message‑queue fundamentals, RabbitMQ vs. Kafka differences, deadlock avoidance, and a sample algorithm question.
Database LocksSalary Insightsbackend interview
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