MySQL错误日志是记录MySQL 运行过程中较为严重的警告和错误信息,以及MySQL每次启动和关闭的详细信息.错误日志的命名通常为hostname.err.其中,hostname表示服务器主机名. The error log contains information indicating when mysqld was started and stopped and also any critical errors that occur while the server is running.
https://github.com/twitter/mysql/commit/1912d02a461797977219e2578080b790020ad845 https://github.com/twitter/mysql/blob/master/sql/hostname.cc 错误: 130111 3:33:55 [Warning] IP address '74.86.110.133' has been resolved to the host name '74.86.110.13