https://answer.freetools.me/tags/%E6%95%B0%E6%8D%AE%E5%BA%93%E6%81%A2%E5%A4%8D/ Recent content in 数据库恢复 on Answer Hugo -- 0.152.2 zh-cn Sun, 08 Mar 2026 15:52:41 +0800 https://answer.freetools.me/%E4%BB%8E%E5%B4%A9%E6%BA%83%E5%88%B0%E6%81%A2%E5%A4%8D%E6%95%B0%E6%8D%AE%E5%BA%93%E6%A3%80%E6%9F%A5%E7%82%B9%E6%9C%BA%E5%88%B6%E5%A6%82%E4%BD%95%E8%AE%A9-wal-%E4%B8%8D%E5%86%8D%E6%98%AF%E6%97%A0%E5%BA%95%E6%B4%9E/ Sun, 08 Mar 2026 15:52:41 +0800 https://answer.freetools.me/%E4%BB%8E%E5%B4%A9%E6%BA%83%E5%88%B0%E6%81%A2%E5%A4%8D%E6%95%B0%E6%8D%AE%E5%BA%93%E6%A3%80%E6%9F%A5%E7%82%B9%E6%9C%BA%E5%88%B6%E5%A6%82%E4%BD%95%E8%AE%A9-wal-%E4%B8%8D%E5%86%8D%E6%98%AF%E6%97%A0%E5%BA%95%E6%B4%9E/ 深入解析数据库检查点机制与 WAL 的协作原理，从 ARIES 算法到 PostgreSQL、MySQL、SQLite 的实现差异，探讨检查点调优的最佳实践。 https://answer.freetools.me/write-ahead-log%E6%95%B0%E6%8D%AE%E5%BA%93%E5%A6%82%E4%BD%95%E5%9C%A8%E6%96%AD%E7%94%B5%E7%9E%AC%E9%97%B4%E5%AE%88%E4%BD%8F%E6%95%B0%E6%8D%AE%E6%9C%80%E5%90%8E%E4%B8%80%E9%81%93%E9%98%B2%E7%BA%BF/ Fri, 06 Mar 2026 05:37:30 +0800 https://answer.freetools.me/write-ahead-log%E6%95%B0%E6%8D%AE%E5%BA%93%E5%A6%82%E4%BD%95%E5%9C%A8%E6%96%AD%E7%94%B5%E7%9E%AC%E9%97%B4%E5%AE%88%E4%BD%8F%E6%95%B0%E6%8D%AE%E6%9C%80%E5%90%8E%E4%B8%80%E9%81%93%E9%98%B2%E7%BA%BF/ 深入剖析Write-Ahead Log(WAL)机制的设计哲学与实现细节。从1992年ARIES论文到PostgreSQL的Full Page Writes、MySQL的Doublewrite Buffer、SQLite的WAL模式，系统梳理不同数据库如何解决torn page问题。基于学术论文与源码分析，揭示WAL如何在性能与可靠性之间取得平衡——Steal/No-Force策略的选择、Group Commit优化、Checkpoint机制与恢复流程。