一、log_timestamps
1.1、官方解释
log_timestamps: Log timestamp format. Added in MySQL 5.7.2.
This variable controls the timestamp time zone of error log messages, and of general query log and slow query log messages written to files. It does not affect the time zone of general query log and slow query log messages written to tables.
Permitted log_timestamps values are UTC (the default) and SYSTEM (local system time zone).
简单来说log_timestamps变量控制着error log、general log、slow log这些文件中的时间信息。log_timestamps有效的值为UTC(默认)和SYSTEM(本地系统时区)
1.2、使用样例
可以使用下面方式设置log_timestamps
# 启动命令 --log_timestamps=[UTC|SYSTEM] # 配置文件 log_timestamps=[UTC|SYSTEM] # 运行期间 set global log_timestamps = ['UTC'|'SYSTEM']