Mysql | 暗夜零星 https://wlizhi.cc/posts/mysql/ Mysql | 暗夜零星 Hugo -- gohugo.iozh-CN2456767505@qq.com (Eddie) 2456767505@qq.com (Eddie)EddieTue, 18 Jun 2024 00:00:00 +0000 MySQL事务&MVCC复习清单 https://wlizhi.cc/posts/mysql/review/ffcf90f/ Sun, 27 Apr 2025 06:13:23 +0800 Eddie https://wlizhi.cc/posts/mysql/review/ffcf90f/ Mysql参数配置、性能调优 https://wlizhi.cc/posts/mysql/mysql-parameters/ Tue, 17 Sep 2024 22:18:11 +0800 Eddie https://wlizhi.cc/posts/mysql/mysql-parameters/ 通过调整 MySQL 配置参数，使数据库服务器能够更高效地利用系统资源（如 CPU、内存、磁盘 I/O 等），从而提高数据库的性能、稳定性和可扩展性。

]]> MVCC RR下trx_id生成时机 https://wlizhi.cc/posts/mysql/3cfac4f/ Tue, 14 Apr 2026 18:52:24 +0800 Eddie https://wlizhi.cc/posts/mysql/3cfac4f/ RR级别下，实际执行第一个sql语句时，虽然生成了read view，但此时事务并没有真正开启。

]]> Innodb Mvcc https://wlizhi.cc/posts/mysql/7674f37/ Tue, 14 Apr 2026 18:17:53 +0800 Eddie https://wlizhi.cc/posts/mysql/7674f37/ MVCC是InnoDB实现高效并发的核心技术，核心是“多版本无锁读”

]]> Innodb Redolog、Undolog、BufferPool https://wlizhi.cc/posts/mysql/d1bec8b/ Tue, 14 Apr 2026 19:47:17 +0800 Eddie https://wlizhi.cc/posts/mysql/d1bec8b/ MySQL的InnoDB引擎能保证数据安全和高效运行，核心离不开redo log（重做日志）、undo log（回滚日志）和Buffer（缓冲）刷盘机制。

]]> Innodb Redolog、Undolog、BufferPool https://wlizhi.cc/posts/mysql/d1bec8b/ Tue, 14 Apr 2026 19:47:17 +0800 Eddie https://wlizhi.cc/posts/mysql/d1bec8b/ MySQL的InnoDB引擎能保证数据安全和高效运行，核心离不开redo log（重做日志）、undo log（回滚日志）和Buffer（缓冲）刷盘机制。

]]> MVCC RR下trx_id生成时机 https://wlizhi.cc/posts/mysql/3cfac4f/ Tue, 14 Apr 2026 18:52:24 +0800 Eddie https://wlizhi.cc/posts/mysql/3cfac4f/ RR级别下，实际执行第一个sql语句时，虽然生成了read view，但此时事务并没有真正开启。

]]> Innodb Mvcc https://wlizhi.cc/posts/mysql/7674f37/ Tue, 14 Apr 2026 18:17:53 +0800 Eddie https://wlizhi.cc/posts/mysql/7674f37/ MVCC是InnoDB实现高效并发的核心技术，核心是“多版本无锁读”

]]> MySQL事务&MVCC复习清单 https://wlizhi.cc/posts/mysql/review/ffcf90f/ Sun, 27 Apr 2025 06:13:23 +0800 Eddie https://wlizhi.cc/posts/mysql/review/ffcf90f/ Mysql参数配置、性能调优 https://wlizhi.cc/posts/mysql/mysql-parameters/ Tue, 17 Sep 2024 22:18:11 +0800 Eddie https://wlizhi.cc/posts/mysql/mysql-parameters/ 通过调整 MySQL 配置参数，使数据库服务器能够更高效地利用系统资源（如 CPU、内存、磁盘 I/O 等），从而提高数据库的性能、稳定性和可扩展性。

]]> Mysql慢查询 https://wlizhi.cc/posts/mysql/mysql-slow-query/ Thu, 06 Jul 2023 22:24:23 +0800 Eddie https://wlizhi.cc/posts/mysql/mysql-slow-query/ MySQL InnoDB MVCC 机制的原理及实现 https://wlizhi.cc/posts/mysql/mysql-innodb-mvcc/ Sun, 28 May 2023 04:20:05 +0800 Eddie https://wlizhi.cc/posts/mysql/mysql-innodb-mvcc/ 本文转载自FrancisQ

很多人认为 MVCC 就是一种 乐观锁 的实现形式，而我认为 MVCC 只是一种 乐观 的实现形式，它是通过 一种 可见性算法 来实现数据库并发控制。

]]> 聊聊Mysql锁机制 https://wlizhi.cc/posts/mysql/mysql-lock/ Sat, 27 May 2023 21:34:43 +0800 Eddie https://wlizhi.cc/posts/mysql/mysql-lock/ Mysql 锁机制，读锁、写锁、意向锁。表锁、行锁、间隙锁、临键锁等。

]]> Mysql事务原理 https://wlizhi.cc/posts/mysql/mysql-transaction/ Fri, 26 May 2023 18:33:25 +0800 Eddie https://wlizhi.cc/posts/mysql/mysql-transaction/ Mysql 事务案例、原理。

]]> Mysql Join和分页查询优化实践 https://wlizhi.cc/posts/mysql/mysql-index3/ Tue, 23 May 2023 17:30:23 +0800 Eddie https://wlizhi.cc/posts/mysql/mysql-index3/ 分页查询、join关联查询优化、count(*)查询优化，阿里巴巴mysql规范。

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