https://answer.freetools.me/tags/autovacuum/ Recent content in Autovacuum on Answer Hugo -- 0.152.2 zh-cn Sat, 21 Mar 2026 08:21:07 +0800 https://answer.freetools.me/postgresql%E7%9A%84%E8%A1%A8%E4%B8%BA%E4%BB%80%E4%B9%88%E8%B6%8A%E7%94%A8%E8%B6%8A%E5%A4%A7%E4%BB%8Emvcc%E5%88%B0vacuum%E7%9A%84%E5%AE%8C%E6%95%B4%E6%B8%85%E7%90%86%E6%9C%BA%E5%88%B6%E8%A7%A3%E6%9E%90/ Sat, 21 Mar 2026 08:21:07 +0800 https://answer.freetools.me/postgresql%E7%9A%84%E8%A1%A8%E4%B8%BA%E4%BB%80%E4%B9%88%E8%B6%8A%E7%94%A8%E8%B6%8A%E5%A4%A7%E4%BB%8Emvcc%E5%88%B0vacuum%E7%9A%84%E5%AE%8C%E6%95%B4%E6%B8%85%E7%90%86%E6%9C%BA%E5%88%B6%E8%A7%A3%E6%9E%90/ 深入解析PostgreSQL的MVCC实现原理、死元组的产生机制、Vacuum的完整工作流程、事务ID环绕问题、以及生产环境中的调优策略。从底层原理到实践指南，全面理解PostgreSQL最重要的维护机制。