【ERROR】MySQL is blocked because of many connection errors ...

Error:

MySQL is blocked because of many connection errors; unblock with ‘mysqladmin flush-hosts’.

Reason:

MySQL服务器已经从某个ip接收了大量终止的连接，于是决定终止继续接收来自该ip的连接

Solution：

在MySQL配置文件中调高允许最大错误连接数（max_connection_errors）（默认为10）