backintime gets slower with new incremental backups #1132
Description
Should it not get faster?
myuser@homeserver:~$ time sudo -i backintime --config /home/myuser/.backintime backup
Back In Time
Version: 1.1.12
Back In Time comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions; type `backintime --license' for details.
INFO: Lock
INFO: Take a new snapshot. Profile: 1 Main profile
INFO: Call rsync to take the snapshot
INFO: [qt4systrayicon] begin loop
INFO: Save config file
INFO: Save permissions
INFO: Create info file
INFO: Keep min free disk space: 51200 MiB
INFO: Keep min 2% free inodes
INFO: Unlock
real 61m28,234s
user 26m34,136s
sys 12m38,644s
myuser@homeserver:~$ INFO: [qt4systrayicon] end loop
myuser@homeserver:~$ time sudo -i backintime --config /home/myuser/.backintime backup
[sudo] password for myuser:
Back In Time
Version: 1.1.12
Back In Time comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions; type `backintime --license' for details.
INFO: Lock
INFO: Take a new snapshot. Profile: 1 Main profile
INFO: Compare with old snapshot: 20210210-084908-645
INFO: [qt4systrayicon] begin loop
INFO: Nothing changed, no back needed
WARNING: No new snapshot
INFO: Keep min free disk space: 51200 MiB
INFO: Keep min 2% free inodes
INFO: Unlock
real 11m43,800s
user 0m53,257s
sys 1m42,319s
myuser@homeserver:~$ INFO: [qt4systrayicon] end loop
myuser@homeserver:~$ time sudo -i backintime --config /home/myuser/.backintime backup
Back In Time
Version: 1.1.12
Back In Time comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions; type `backintime --license' for details.
INFO: Lock
INFO: Take a new snapshot. Profile: 1 Main profile
INFO: Compare with old snapshot: 20210210-124522-910
INFO: [qt4systrayicon] begin loop
INFO: Create hard-links
INFO: Call rsync to take the snapshot
INFO: Save config file
INFO: Save permissions
INFO: Create info file
INFO: Keep min free disk space: 51200 MiB
INFO: Keep min 2% free inodes
INFO: Unlock
real 95m5,678s
user 6m17,439s
sys 10m43,666s
myuser@homeserver:~$ time sudo -i backintime --config /home/myuser/.backintime backup
Back In Time
Version: 1.1.12
Back In Time comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to redistribute it
under certain conditions; type `backintime --license' for details.
INFO: Lock
INFO: Take a new snapshot. Profile: 1 Main profile
INFO: Compare with old snapshot: 20210210-142120-416
INFO: [qt4systrayicon] begin loop
INFO: Create hard-links
INFO: Call rsync to take the snapshot
INFO: Save config file
INFO: Save permissions
INFO: Create info file
INFO: Keep min free disk space: 51200 MiB
INFO: Keep min 2% free inodes
INFO: Unlock
real 87m9,941s
user 6m7,641s
sys 10m29,359s
myuser@homeserver:~$ time sudo du -h --max-depth=1 /media/backup/backintime/homeserver/root/1/
132G /media/backup/backintime/homeserver/root/1/20210210-142120-416
2,1G /media/backup/backintime/homeserver/root/1/20210210-161749-696
1,9G /media/backup/backintime/homeserver/root/1/20210210-084908-645
1,5G /media/backup/backintime/homeserver/root/1/20210210-124522-910
138G /media/backup/backintime/homeserver/root/1/
real 55m36,073s
user 0m44,389s
sys 4m0,430s