为 Mysql 5.6 & Ubuntu16.4 设置 binlog

Posted 2023-02-18

【中文标题】为 Mysql 5.6 & Ubuntu16.4 设置 binlog

【英文标题】：Set binlog for Mysql 5.6 & Ubuntu16.4

【发布时间】：2019-03-15 03:00:34

【问题描述】：

在 /etc/mysql/my.cnf:

[mysqld]
log_bin=mysql-bin
binlog_format=ROW
server-id=11

然后在mysql客户端上：

mysql> show variables like '%binlog%';
+-----------------------------------------+----------------------+
| Variable_name                           | Value                |
+-----------------------------------------+----------------------+
| binlog_cache_size                       | 32768                |
| binlog_checksum                         | CRC32                |
| binlog_direct_non_transactional_updates | OFF                  |
| binlog_format                           | STATEMENT            |
| binlog_max_flush_queue_time             | 0                    |
| binlog_order_commits                    | ON                   |
| binlog_row_image                        | FULL                 |
| binlog_rows_query_log_events            | OFF                  |
| binlog_stmt_cache_size                  | 32768                |
| innodb_api_enable_binlog                | OFF                  |
| innodb_locks_unsafe_for_binlog          | OFF                  |
| max_binlog_cache_size                   | 18446744073709547520 |
| max_binlog_size                         | 1073741824           |
| max_binlog_stmt_cache_size              | 18446744073709547520 |
| sync_binlog                             | 0                    |
+-----------------------------------------+----------------------+
15 rows in set (0.00 sec)

我用谷歌搜索“my.cnf 不生效”并得到“对 my.cnf 的更改不生效（Ubuntu 16.04，mysql 5.6）” Changes to my.cnf don't take effect (Ubuntu 16.04, mysql 5.6)

我已经测试了这两个答案。但是当我用sudo service mysql start启动mysql时，总是出现这个错误：

/etc/init.d/mysql[27197]: 0 processes alive and '/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf ping' resulted in
/etc/init.d/mysql[27197]: [61B blob data]
/etc/init.d/mysql[27197]: error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)'
/etc/init.d/mysql[27197]: Check that mysqld is running and that the socket: '/var/run/mysqld/mysqld.sock' exists!
/etc/init.d/mysql[27197]: 
mysql[26527]:    ...fail!
systemd[1]: mysql.service: Control process exited, code=exited status=1
systemd[1]: Failed to start LSB: Start and stop the mysql database server daemon.

我花了两天时间寻找答案，但仍然没有找到任何有用的东西。有人可以帮我吗？谢谢！

【参考方案1】：

重新安装 MySQL

根据以下内容清理 MySQL： https://askubuntu.com/questions/172514/how-do-i-uninstall-mysql

sudo apt-get purge mysql-server mysql-client mysql-common mysql-server-core-* mysql-client-core-*
sudo rm -rf /etc/mysql /var/lib/mysql
sudo apt-get autoremove
sudo apt-get autoclean

还有https://www.jianshu.com/p/c76b31df5d09

dpkg -l |grep ^rc|awk 'print $2' |sudo xargs dpkg -P

由sudo apt-get install mysql-server-5.6安装

使my.cnf中的更改生效

Keeth(user:20588) 的第二个回答 Changes to my.cnf don't take effect (Ubuntu 16.04, mysql 5.6)

通过编辑/etc/mysql/my.cnf配置binlog

    [mysqld]
    log_bin=mysql-bin
    binlog_format=ROW
    server-id=11