docs: 修复数据库章节 mermaid 图表语法错误
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- MySQL ACID: sequenceDiagram 中分号被 Mermaid v10+ 解析为语句分隔符,改为引号包裹
- Redis 哨兵: 节点 I 的关闭括号写成了 }(diamond)应为 ](rectangle),同时 >= 改为 ≥ 避免 > 歧义
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2026-09-08 00:08:07 +08:00
parent 622046c52d
commit 31d84012a0
2 changed files with 3 additions and 3 deletions
+1 -1
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@@ -392,7 +392,7 @@ sequenceDiagram
participant S as MySQL Server 层 participant S as MySQL Server 层
participant B as binlog participant B as binlog
C->>E: BEGIN; UPDATE ...; COMMIT C->>E: "BEGIN, UPDATE ..., COMMIT"
Note over E: 执行过程中:改 Buffer Pool 页 + 写 undo log<br/>同时把物理变更写入 redo log buffer Note over E: 执行过程中:改 Buffer Pool 页 + 写 undo log<br/>同时把物理变更写入 redo log buffer
rect rgb(235, 245, 255) rect rgb(235, 245, 255)
+2 -2
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@@ -145,8 +145,8 @@ graph TD
D --> E{"它是什么角色?"} D --> E{"它是什么角色?"}
E -->|"replica / 其他哨兵"| F["停在 SDOWN<br/>永远不会升级成 ODOWN"] E -->|"replica / 其他哨兵"| F["停在 SDOWN<br/>永远不会升级成 ODOWN"]
E -->|master| G["向其他哨兵发<br/>SENTINEL is-master-down-by-addr"] E -->|master| G["向其他哨兵发<br/>SENTINEL is-master-down-by-addr"]
G --> H{"认为主下线的哨兵数<br/>>= quorum ?"} G --> H{"认为主下线的哨兵数<br/>≥ quorum ?"}
H -->|否| I["仅 SDOWN,不触发故障转移<br/>(继续问,票数够了再说)"} H -->|否| I["仅 SDOWN,不触发故障转移<br/>(继续问,票数够了再说)"]
H -->|是| J["标记 ODOWN(客观下线)<br/>→ 触发 Leader 选举"] H -->|是| J["标记 ODOWN(客观下线)<br/>→ 触发 Leader 选举"]
``` ```