APT安装

sudo apt install curl
curl -O https://repo.percona.com/apt/percona-release_latest.generic_all.deb
sudo apt install gnupg2 lsb-release ./percona-release_latest.generic_all.deb
sudo apt update
sudo percona-release enable pxb-84-lts
sudo apt install percona-xtrabackup-84
xtrabackup --version