https://walson.de5.net/tags/redis/ Recent content in Redis on Walson Blog Hugo zh-CN 475166676@qq.com (Walson) 475166676@qq.com (Walson) This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. Mon, 09 Sep 2024 10:00:00 +0800 https://walson.de5.net/posts/high-concurrency-coupon/ Mon, 09 Sep 2024 10:00:00 +0800475166676@qq.com (Walson) https://walson.de5.net/posts/high-concurrency-coupon/ <h2 id="前言">前言</h2> <p>在Yato跨境电商平台的优惠券模块开发中，我们面临了一个经典的高并发问题：<strong>如何在保证数据一致性的前提下，支撑万级QPS的优惠券发放？</strong></p> <p>本文将详细记录我设计的优惠券系统架构，以及如何通过Redis预扣减、分布式锁、Lua脚本等技术手段解决超卖超领问题。</p> https://walson.de5.net/posts/multi-level-cache/ Sat, 11 Nov 2023 10:00:00 +0800475166676@qq.com (Walson) https://walson.de5.net/posts/multi-level-cache/ <h2 id="前言">前言</h2> <p>在短链推广平台项目中，我们面临了一个典型的读多写少场景：短链跳转查询占业务流量的绝大部分，高峰期数据库连接池频繁耗尽，查询响应时间逐渐劣化。</p>