在腾讯云上面搭建的mysql使用开发的电脑上navicat进行访问时总是特别的慢，原来是Mysql会对请求的地址进行域名解析，开发的电脑并没有域名，所以会导致特别的慢，使用以下进行解决

[mysqld]
skip-name-resolve
skip-grant-tables

官方的解释

How MySQL
uses DNS When a new thread connects to mysqld, mysqld will
spawn a new thread to handle the request. This thread will first check
if the hostname is in the hostname cache. If not the thread will call
gethostbyaddr_r() and gethostbyname_r() to resolve the hostname. If
the operating system doesn't support the abov..