https://bugs.kde.org/show_bug.cgi?id=472493
Bug ID: 472493
Summary: Baloo does not respond when catching up with file
deletions
Classification: Frameworks and Libraries
Product: frameworks-baloo
Version: 5.107.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Baloo File Daemon
Assignee: baloo-bugs-n...@kde.org
Reporter: tagwer...@innerjoin.org
Target Milestone: ---
SUMMARY
Baloo removes entries from its index as files are deleted. However this
process blocks actions such as "balooctl disable", meaning that if baloo is
busy, it does not respond to an request to close down
An associated" issue is that baloo queues up indexing new or changed files
until after it has caught up with the deletions. You don't see "balooctl
check"
having an effect.
STEPS TO REPRODUCE:
1...
Make sure you have content indexing enabled and are indexing your test
directory
2...
Run "balooctl monitor" and "htop"
3...
Create a test directory with many files, following the steps in Bug 437754:
for i in {00001..50000}; do echo "This is file $i" > file$i.txt;
done
and wait to see that all the files are indexed. Delete 1000 of these files:
rm file20*.txt
4...
Create a test file
echo "Hello Penguin" > testfile.txt
and watch the "balooctl monitor" results, try a "balooctl check" and then a
"balooctl disable"
OBSERVED RESULT
The test file only seems to be indexed after baloo has finished cleaning up
the deleted file records. It is not possible to follow deletions with
"balooctl monitor" or with logging but you can see the file indexed when
the CPU usage drops.
The "balooctl disable" also only happens after the cleanup is complete; you
get a "Disabling and stopping the file indexer" message but the process
keeps running.
Removing files from the index is markedly slower than the initial content
indexing (which deals with files in batches). You can watch with iotop:
sudo iotop
and see baloo_file committing to disc after removing each file.
EXPECTED RESULT
Baloo should respond quickly to a "balooctl disable" and should also, as
preference, interrupt the cleaning up of deleted files in order to index
new
or changed files (for example after a "balooctl check")
SOFTWARE/OS VERSIONS
This was tested on Fedora 38 (that has the BTRFS patch)
Fedora Linux 38
Plasma: 5.27.6
Frameworks: 5.107.0
Qt: 5.15.10
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