innobackupex --user=$username  --password=$password --no-timestamp /data/backups/new_backup

innobackupex --apply-log /data/backups/new_backup

user@pc1:~$ ll /var/lib/mysql/
total 1205264
drwxr-xr-x  6 mysql mysql      4096 Jan 13 01:19 ./
drwxr-xr-x 45 root  root       4096 Oct 10 14:13 ../
drwx------  2 mysql mysql     73728 Jan  8 05:02 1bd3e0294da19198/
-rw-rw----  1 mysql mysql     16384 Jan  8 05:09 aria_log.00000001
-rw-rw----  1 mysql mysql        52 Jan  8 05:09 aria_log_control
-rw-r--r--  1 root  root          0 Oct 10 14:10 debian-10.0.flag
-rw-rw----  1 mysql mysql  79691776 Feb 11 06:22 ibdata1
-rw-rw----  1 mysql mysql 536870912 Feb 11 06:22 ib_logfile0
-rw-rw----  1 mysql mysql 536870912 Oct 10 14:14 ib_logfile1
-rw-rw----  1 mysql mysql         0 Oct 10 14:10 multi-master.info
drwxr-xr-x  2 mysql root       4096 Oct 10 14:10 mysql/
-rw-rw----  1 mysql mysql  45143857 Jan  8 04:54 mysql-bin.000002
-rw-rw----  1 mysql mysql       728 Jan  8 04:55 mysql-bin.000003
-rw-rw----  1 mysql mysql  35315670 Jan  8 05:08 mysql-bin.000004
-rw-rw----  1 mysql mysql      2513 Jan  8 05:09 mysql-bin.000005
-rw-rw----  1 mysql mysql     32133 Jan 12 23:43 mysql-bin.000006
-rw-rw----  1 mysql mysql     46855 Feb 11 06:22 mysql-bin.000007
-rw-rw----  1 mysql mysql         5 Jan 13 01:19 mysql.pid
-rw-rw----  1 mysql mysql      1961 Jan 13 01:19 mysql-slow.log
-rw-------  1 root  root         15 Oct 10 14:10 mysql_upgrade_info
drwx------  2 mysql mysql      4096 Oct 10 14:10 performance_schema/

user@pc1:~$ ll /var/lib/mysql/
total 1147036
drwxr-x--- 6 mysql mysql      4096 Feb 11 06:33 ./
drwxr-xr-x 3 mysql mysql      4096 Feb 11 06:31 ../
drwxr-x--- 2 mysql mysql     65536 Feb 11 06:33 1bd3e0294da19198/
-rw-r----- 1 mysql mysql       419 Feb 11 06:33 backup-my.cnf
-rw-r----- 1 mysql mysql  79691776 Feb 11 06:33 ibdata1
-rw-r----- 1 mysql mysql 536870912 Feb 11 06:33 ib_logfile0
-rw-r----- 1 mysql mysql 536870912 Feb 11 06:33 ib_logfile1
-rw-r----- 1 mysql mysql  12582912 Feb 11 06:33 ibtmp1
drwxr-x--- 2 mysql mysql      4096 Feb 11 06:33 mysql/
drwxr-x--- 2 mysql mysql      4096 Feb 11 06:33 performance_schema/
-rw-r----- 1 mysql mysql        33 Feb 11 06:33 xtrabackup_binlog_info
-rw-rw-r-- 1 mysql mysql        38 Feb 11 06:33 xtrabackup_binlog_pos_innodb
-rw-r----- 1 mysql mysql       115 Feb 11 06:33 xtrabackup_checkpoints
-rw-r----- 1 mysql mysql       552 Feb 11 06:33 xtrabackup_info
-rw-r----- 1 mysql mysql   8388608 Feb 11 06:33 xtrabackup_logfile