xtrabackup 失敗！
mysqldump
報錯：
ERROR 1840 (HY000) at line 24: @@GLOBAL.GTID_PURGED can only be set when @@GLOBAL.GTID_EXECUTED is empty.
在dump導出時，添加--set-gtid-purged=off參數，避免將gtid信息導出
mysqldump -uxxxxx -pxxxxxxx --all-databases --set-gtid-purged=off > /dir/name.sql