环境:OS:openEuler2203sp4xtrabackup:2.4.7 [root@19copt]#/opt/xtrabackup-2.4.7/bin/innobackupex--defaults-file=/opt/mysql57/conf/my.cnf--user=root--password=mysql--socket=/tmp/mysql.sock--stream=tar/tmp|gzip>/tmp/mydb.tar.gz/opt/xtrabackup-2.