too many connections是由于mysql配置中连接数过少,不足以支撑当前的并发数,too many open files是由于mysql open_files_limit的值大小不够. 最开始mysql日志出现的错误为too many connections,mysql配置文件已经配置了最大连接数max_connections=2000,登录到mysql中,查看mysql连接收:show processlist; (查看详细执行信息使用:show full processlis
在每个target host上执行以下操作: Naming target hosts. Install the operating system. Generate and set up security measures. Update the operating system and install additional software packages. Create LVM volume groups. Configure networking devices. Deployment