错误信息提示:
错误号:12142

错误原因:

错误SQL语句:
select * from user_skin where  find_in_set('sysai.net',replace(host,'|',','))

Warning: fopen(/error/2025-06-27.txt): failed to open stream: No such file or directory in /opt/lampp/htdocs/sysai/inc/datai.php on line 247
文件 2025-06-27.txt 不可写

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navicat for mysql 客户端操作mysql非常慢问题
글쓴이 : 매니저 작성일 : 2019-07-15
首先查看mysql错误日志:
 cd /usr/local/mysql/var/
 tail VM_79_224_centos.err
日志名字可能不一样,依实际情况而定
打开看到以下类似错误:
110617 14:04:10 [Warning] IP address '19.200.90.16' could not be resolved: Temporary failure in name resolution
110617 14:07:48 [Warning] IP address '19.200.57.44' could not be resolved: Temporary failure in name resolution
这个错误日志表示mysql对ip地址进行dns解析,解决的办法就是修改my.cnf配置文件取消dns解析
如下操作:
vi /etc/my.cnf
在my.cnf中添加一行:
skip-name-resolve
保存,退出,重启mysql服务,ok
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