https://bugs.kde.org/show_bug.cgi?id=463007
Bug ID: 463007
Summary: Checking backup integrity takes exceptionally long
time
Classification: Applications
Product: kup
Version: 0.9.1
Platform: Manjaro
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: simon.pers...@mykolab.com
Reporter: pub...@mellomrommet.no
Target Milestone: ---
SUMMARY
I need to backup many 100s of GB of data, and becuase of this I'm using
several backup plans to do it in "chunks". I'm doing an rsync "mirror" and a
bup backup of the data to an external USB harddisk.
The rsync is very fast and done in less than a second unless there are
substantial changes to the source data, but the bup backup needs very long time
to check data integrity. While I understand that the first time backing up
requires quite some time with that much data, and also understand that
integrity checking is slower than an rsync process, I don't think integrity
checking should need more than a few minutes.
Both prosessor and RAM capabilities are good on my hardware, but this process
was running for more than 15 minutes on a folder where the source data are
about 70 GB.
STEPS TO REPRODUCE
1. Set up a backup plan for a folder with about 70 GB of data. Tick checkboxes
in settings for "Verify integrity of backups" and "Generate recovery
information".
2. Run the backup plan.
3. Wait
OBSERVED RESULT
Integrity checking is very slow, more than 15 minutes
EXPECTED RESULT
Integrity checking should be done in a few minutes.
SOFTWARE/OS VERSIONS
Operating System: Manjaro Linux
KDE Plasma Version: 5.26.4
KDE Frameworks Version: 5.100.0
Qt Version: 5.15.7
Kernel Version: 5.15.81-1-MANJARO (64-bit)
Graphics Platform: X11
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