TokuHotbackup can't be installed on Amazon Linux 2

[root@amazon2 ~]# ps-admin --enable-tokubackup

Checking SELinux status...
INFO: SELinux is disabled.

Checking if TokuDB plugin is available for installation ...
INFO: ha_tokudb.so library for TokuDB found at /usr/lib64/mysql/plugin/ha_tokudb.so.

Checking location of jemalloc library ...
INFO: jemalloc library needed for TokuDB found at /usr/lib64/libjemalloc.so.1

Checking location of TokuBackup library ...
INFO: TokuBackup library found at /usr/lib64/mysql/libHotBackup.so

Checking transparent huge pages status on the system...
INFO: Transparent huge pages are currently disabled on the system.

Checking if THP_SETTING variable is set to never or madvise in /etc/default/mysql...
INFO: Variable THP_SETTING is not set to never or madvise in /etc/default/mysql.

Checking TokuDB engine plugin status...
INFO: TokuDB engine plugin is not installed.

Checking TokuBackup plugin status...
INFO: TokuBackup plugin is not installed.

Checking if Percona Server is running with libHotBackup.so preloaded...
ERROR: Percona Server is not running with libHotBackup.so preloaded, please restart mysql service to enable it and then run this script again...
[root@amazon2 ~]# service mysql restart
Redirecting to /bin/systemctl restart mysql.service
[root@amazon2 ~]# ps-admin --enable-tokubackup
Checking SELinux status...
INFO: SELinux is disabled.

Checking if TokuDB plugin is available for installation ...
INFO: ha_tokudb.so library for TokuDB found at /usr/lib64/mysql/plugin/ha_tokudb.so.

Checking location of jemalloc library ...
INFO: jemalloc library needed for TokuDB found at /usr/lib64/libjemalloc.so.1

Checking location of TokuBackup library ...
INFO: TokuBackup library found at /usr/lib64/mysql/libHotBackup.so

Checking transparent huge pages status on the system...
INFO: Transparent huge pages are currently disabled on the system.

Checking if THP_SETTING variable is set to never or madvise in /etc/default/mysql...
INFO: Variable THP_SETTING is not set to never or madvise in /etc/default/mysql.

Checking if LD_PRELOAD variable is set for libjemalloc.so.1 in /etc/default/mysql...
INFO: Variable LD_PRELOAD for libjemalloc.so.1 is set in /etc/default/mysql.

Checking if LD_PRELOAD variable is set for libHotBackup.so in /etc/default/mysql...
INFO: Variable LD_PRELOAD for libHotBackup.so is set in /etc/default/mysql.

Checking TokuDB engine plugin status...
INFO: TokuDB engine plugin is not installed.

Checking TokuBackup plugin status...
INFO: TokuBackup plugin is not installed.

Checking if Percona Server is running with libHotBackup.so preloaded...
ERROR: Percona Server is not running with libHotBackup.so preloaded, please restart mysql service to enable it and then run this script again...

[root@amazon2 ~]# /vagrant/old_vc.sh
+------------------+
| @@INNODB_VERSION |
+------------------+
| 8.0.16-7         |
+------------------+
+-----------+
| @@VERSION |
+-----------+
| 8.0.16-7  |
+-----------+
+---------------------------------------------------+
| @@VERSION_COMMENT                                 |
+---------------------------------------------------+
| Percona Server (GPL), Release 7, Revision 613e312 |
+---------------------------------------------------+