https://answer.freetools.me/tags/http%E5%8D%8F%E8%AE%AE/ Recent content in HTTP协议 on Answer Hugo -- 0.152.2 zh-cn Fri, 06 Mar 2026 04:33:44 +0800 https://answer.freetools.me/%E5%B9%82%E7%AD%89%E6%80%A7%E8%AE%BE%E8%AE%A1%E4%B8%BA%E4%BD%95%E4%B8%80%E4%B8%AA%E8%AF%B7%E6%B1%82%E8%A2%AB%E9%87%8D%E5%A4%8D%E6%89%A7%E8%A1%8C%E4%BC%9A%E4%BA%A7%E7%94%9F%E6%95%B0%E6%8D%AE%E7%81%BE%E9%9A%BE/ Fri, 06 Mar 2026 04:33:44 +0800 https://answer.freetools.me/%E5%B9%82%E7%AD%89%E6%80%A7%E8%AE%BE%E8%AE%A1%E4%B8%BA%E4%BD%95%E4%B8%80%E4%B8%AA%E8%AF%B7%E6%B1%82%E8%A2%AB%E9%87%8D%E5%A4%8D%E6%89%A7%E8%A1%8C%E4%BC%9A%E4%BA%A7%E7%94%9F%E6%95%B0%E6%8D%AE%E7%81%BE%E9%9A%BE/ 深入解析幂等性在分布式系统中的核心地位。从数学定义到HTTP协议，从幂等键机制到TCC事务补偿，系统梳理如何防止重复操作导致的数据不一致。剖析Stripe幂等键实现、Kafka恰好一次语义、Seata TCC解决方案，揭示竞态条件处理、缓存策略选择、TTL设置等工程实践中的关键决策。