阿里云Centos7 安装mysql5.7 报错：./mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory

　　在阿里云服务器Centos7中安装mysql5.7，解压数据库初始化后，报错

./mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory

检查是否安装libaio

rpm -qa|grep libaio

若不存在，安装这个包即可

yum install  libaio-devel.x86_64