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mysql 进程初始化killed问题

问题描述:

[root@it01 soft]# /mysql/mysql57/bin/mysqld --defaults-file=/etc/my.cnf --user=mysql --initialize-insecure --console

Killed

问题分析:

1.查看错误日志,错误日志报错如下:

[root@it01 soft]# more /mysqldata/mysql_3306/log/mysql-error.log

2023-06-09T19:49:59.796928+08:00 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (

see documentation for more details).

2023-06-09T19:49:59.797077+08:00 0 [Warning] 'NO_AUTO_CREATE_USER' sql mode was not set.

2023-06-09T19:51:50.721572+08:00 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (

see documentation for more details).

2023-06-09T19:51:50.721668+08:00 0 [Warning] 'NO_AUTO_CREATE_USER' sql mode was not set.

2023-06-09T19:57:35.348105+08:00 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (

see documentation for more details).

2023-06-09T19:57:35.348180+08:00 0 [Warning] 'NO_AUTO_CREATE_USER' sql mode was not set.

2023-06-09T19:58:23.906629+08:00 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (

see documentation for more details).

2023-06-09T19:58:23.906753+08:00 0 [Warning] 'NO_AUTO_CREATE_USER' sql mode was not set.

2023-06-11T08:52:38.266359+08:00 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (

see documentation for more details).

2023-06-11T08:52:38.266467+08:00 0 [Warning] 'NO_AUTO_CREATE_USER' sql mode was not set.

问题的原因:

[Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (

see documentation for more details).

解决方案:

1.在配置文件中加入:

1 [mysqld]
2 # explicit_defaults_for_timestamp
3 explicit_defaults_for_timestamp=true

2.重新初始化并启动数据库

/mysql/mysql57/bin/mysqld --defaults-file=/etc/my.cnf --user=mysql --initialize-insecure --console

/mysql/mysql57/bin/mysqld_safe --defaults-file=/etc/my.cnf &

3.这次初始话成功,没有killed,进程可以正常启动使用mysql 进程初始化killed问题_mysql

参考文档:

https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_explicit_defaults_for_timestamp






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