MySQL: - acid-logs.md ACID 与三大日志:undo/redo/binlog 分工、WAL、崩溃恢复三阶段、两阶段提交 - transaction-isolation.md 事务隔离级别:三大异常、四级别取舍、RR 幻读破功场景、RC vs RR 选型 - mvcc.md MVCC 机制:隐藏列与 undo 版本链、Read View 五条可见性规则、快照读 vs 当前读 - btree-index.md B+ 树索引:为何选 B+ 树、聚簇/二级索引与回表、最左前缀、覆盖索引、ICP、索引失效 Redis: - persistence.md RDB / AOF / 混合持久化、AOF 重写本质、与 MySQL binlog/redo log 对比 - sentinel.md 哨兵:主观/客观下线、Leader 选举、故障转移选主、脑裂防护 - cluster.md 集群:16384 哈希槽、MOVED vs ASK、hash tag、去中心化故障转移 - 新增 database/index.md 章节首页与阅读路径 - mkdocs.yml nav 增加「数据库」顶级章节 - cluster.md 中槽位数字经 CRC16-CCITT 实际计算校验
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@@ -104,6 +104,17 @@ nav:
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- 缓存系统设计: project/thumbup/cache-system.md
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- 并发控制与数据一致性: project/thumbup/data-consistency.md
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- 简历技术要点: project/thumbup/resume.md
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- 数据库:
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- database/index.md
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- MySQL:
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- ACID 与三大日志: database/mysql/acid-logs.md
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- 事务隔离级别: database/mysql/transaction-isolation.md
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- MVCC 机制: database/mysql/mvcc.md
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- B+ 树索引与优化: database/mysql/btree-index.md
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- Redis:
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- 持久化 RDB/AOF/混合: database/redis/persistence.md
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- 哨兵机制: database/redis/sentinel.md
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- 集群 Cluster: database/redis/cluster.md
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- 架构:
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- architecture/index.md
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- 高并发秒杀系统设计: architecture/seckill-design.md
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