keepalived+haproxy+mycat的使用的时候大概十秒不做mysql操作过会在执行mysql命令会报错一下的错，不过重新连接还是能够正常运行ERROR 2006 (HY000): MySQL server has gone awayNo connection. Trying to reconnect...Connection id: 2想知道报错原因
连接超时断开了吧。需要重连