安装mysql 5.7过程中出现如下问题：
[root@db mysql-5.7]# bin/mysql_install_db --user=mysql --basedir=/usr/local/mysql-5.7/ --datadir=/u01/data/mysql/
2018-12-25 18:46:40 [WARNING] mysql_install_db is deprecated. Please consider switching to mysqld --initialize
2018-12-25 18:46:40 [ERROR] Child process: /usr/local/mysql-5.7/bin/mysqldterminated prematurely with errno= 32
2018-12-25 18:46:40 [ERROR] Failed to execute /usr/local/mysql-5.7/bin/mysqld --bootstrap --datadir=/u01/data/mysql --lc-messages-dir=/usr/local/mysql-5.7/share --lc-messages=en_US --basedir=/usr/local/mysql-5.7
-- server log begin --
/usr/local/mysql-5.7/bin/mysqld: error while loading shared libraries: libnuma.so.1: cannot open shared object file: No such file or directory
-- server log end --
解决方法：
下载文件numactl-2.0.9-2.el6.x86_64.rpm，然后安装即可。
文件下载地址：http://mirror.centos.org/centos/6/os/x86_64/Packages/numactl-2.0.9-2.el6.x86_64.rpm
[root@db soft]# chmod +x *.rpm
[root@db soft]# rpm -ivh numactl-2.0.9-2.el6.x86_64.rpm
Preparing... ########################################### [100%]
1:numactl ########################################### [100%]
