mysql - mariadb 无法启动服务 macOS

问题描述

问 题

160802 11:45:46 mysqld_safe Starting mysqld daemon with databases from /usr/local/var/mysql
2016-08-02 11:45:47 4471989184 [Note] /usr/local/Cellar/mariadb/10.1.16/bin/mysqld (mysqld 10.1.16-MariaDB) starting as process 67267 ...
2016-08-02 11:45:47 4471989184 [Warning] Setting lower_case_table_names=2 because file system for /usr/local/var/mysql/ is case insensitive
2016-08-02 11:45:47 4471989184 [Note] InnoDB: Using mutexes to ref count buffer pool pages
2016-08-02 11:45:47 4471989184 [Note] InnoDB: The InnoDB memory heap is disabled
2016-08-02 11:45:47 4471989184 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2016-08-02 11:45:47 4471989184 [Note] InnoDB: Memory barrier is not used
2016-08-02 11:45:47 4471989184 [Note] InnoDB: Compressed tables use zlib 1.2.8
2016-08-02 11:45:47 4471989184 [Note] InnoDB: Using SSE crc32 instructions
2016-08-02 11:45:47 4471989184 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2016-08-02 11:45:47 4471989184 [Note] InnoDB: Completed initialization of buffer pool
2016-08-02 11:45:47 4471989184 [Note] InnoDB: Highest supported file format is Barracuda.
2016-08-02 11:45:47 4471989184 [Note] InnoDB: 128 rollback segment(s) are active.
2016-08-02 11:45:47 4471989184 [Note] InnoDB: Waiting for purge to start
2016-08-02 11:45:47 4471989184 [Note] InnoDB:  Percona XtraDB (http://www.percona.com) 5.6.30-76.3 started; log sequence number 4036637
2016-08-02 11:45:47 123145327255552 [Note] InnoDB: Dumping buffer pool(s) not yet started
2016-08-02 11:45:47 4471989184 [Note] Plugin 'FEEDBACK' is disabled.
2016-08-02 11:45:47 4471989184 [Note] Recovering after a crash using tc.log
2016-08-02 11:45:47 4471989184 [ERROR] Bad magic header in tc log
2016-08-02 11:45:47 4471989184 [ERROR] Crash recovery failed. Either correct the problem (if it's, for example, out of memory error) and restart, or delete tc log and start mysqld with --tc-heuristic-recover={commit|rollback}
2016-08-02 11:45:47 4471989184 [ERROR] Can't init tc log
2016-08-02 11:45:47 4471989184 [ERROR] Aborting

160802 11:45:49 mysqld_safe mysqld from pid file /usr/local/var/mysql/hostname.pid ended

mariadb是透过homebrew装的，很久之前都可以使用（软件版本已经升级过），没有修改过配置，错误日志如上。

解决方案

用locate命令或者从mysql配置文件里找到tc.log的位置，删掉它，再启动服务。

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