Mysql报错Forcing close of thread 139 user: 'root'
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最近重启服务器的mysql总是报大量的如下错误：
160330 9:14:26 [Warning] /usr/libexec/mysqld: Forcing close of thread 139 user: ‘root‘ 160330 9:14:26 [Warning] /usr/libexec/mysqld: Forcing close of thread 138 user: ‘root‘ 160330 9:14:26 [Warning] /usr/libexec/mysqld: Forcing close of thread 137 user: ‘root‘ 160330 9:14:26 [Warning] /usr/libexec/mysqld: Forcing close of thread 136 user: ‘pdss‘ 160330 9:14:26 [Warning] /usr/libexec/mysqld: Forcing close of thread 131 user: ‘root‘ 160330 9:14:26 [Warning] /usr/libexec/mysqld: Forcing close of thread 130 user: ‘csm‘
这个错误其实是mysql在对DNS做反查，由于反查的接续速度过慢，大量的查询处理不及时，线程得不到释放，造成MySQL“ 假死”。
解决办法：
linux服务器
修改mysql的配置文件（my.cnf）在[mysqld]下添加：
skip-name-resolve
windows服务器
修改mysql的配置文件（my.ini）在[mysqld]下添加:
skip-locking skip-name-resolve
修改完成后，重启mysql服务。
本文出自 “Garany.Wang” 博客，请务必保留此出处http://garany.blog.51cto.com/7342714/1758279
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