https://bugs.kde.org/show_bug.cgi?id=392133

--- Comment #39 from PhobosK <phob...@fastmail.fm> ---
Created attachment 141297
  --> https://bugs.kde.org/attachment.cgi?id=141297&action=edit
heaptrack.krusader.jpg

I found something very strange about this memory hog....

It still happens on my system - right after krusader is started it has some
20-30 sec delay before its window is painted, the next 10 min it gets >200 Mb
mem usage and for an hour it ups to 1.5 Gb.

I found that there is mem leaking connected to KDirWatch, started by
KBookmarkManager.

The truth is I have around 50 bookmarks from diff protocols - sftp:/, file:/,
smb:/ - and some of them were old with missing paths. So I decided to leave
only those working - ~20 - but it didn't help.
I turned off the search in bookmarks too - but it didn't help either.

Krusader from my root profile with only 5 bookmarks with the file:/ protocol
doesn't have this memory problem + it starts (paints) the window almost
immediately after the start and memory usage stays at max 30 Mb for a long
time....

I am sorry that I attach a screenshot only of heaptrack, but this is taken on
the 15 min of usage of krusader and is sorted by "Leaked" memory.

The system is: 
Krusader 2.7.2
KDE Frameworks 5.85.0
KDE Apps 21.08.1
Qt 5.15.2
The xcb windowing system

I do not know if it is relevant (I think KDirWatch is also dependent on it) but
because of baloo and idea I have set:
fs.inotify.max_user_watches = 524288

I hope this will help

Thanks

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