Running Ktorrent or qbittorrent lags/Freezes the PC

Recently i installed qbittorrent and ktorrent to download some file i needed and first i used qbittorrent as the feature and options are much better compare to ktorrent but both application make system, freezes/ random shutters, animation freeze, unresponsiveness… even when there is enough free memory in the system…(4Gb free ram)…

what i can do to actually find what is causing all this issue,…

Monitor everything you can to try to find what is causing issues. Things like CPU usage, memory usage, disk activity, logs by starting application from terminal, system journal, everything you can think of.

Maybe you could find something obvious.

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In qbittorent go to view > log and check show log. Then next time switch to execution log panel when you start download.

AFAIK torrenting is mostly hard on network and disk read/write.

which DE are you using, there were some bug reports of possible memory leaks with the latest qbitorrent 4.0 on i3

KDE 5.23.5,

Hardware info:

CPU: 6-core AMD Ryzen 5 4600H with Radeon Graphics (-MT MCP-)
speed/min/max: 1396/1400/3000 MHz Kernel: 5.16.2-1-MANJARO x86_64 Up: 3h 15m
Mem: 2540.3/7367.4 MiB (34.5%) Storage: 1.36 TiB (49.4% used) Procs: 419
Shell: Zsh inxi: 3.3.12

the hardware is pretty new and Powerful and Well, even if there is high disk read/write, there are two partition on the system the main root partition installed on nvme ssd and the second partition home is over HDD… on HDD im storing the downloads…

CPU: 6-core AMD Ryzen 5 4600H with Radeon Graphics (-MT MCP-)
speed/min/max: 1396/1400/3000 MHz Kernel: 5.16.2-1-MANJARO x86_64 Up: 3h 15m
Mem: 2540.3/7367.4 MiB (34.5%) Storage: 1.36 TiB (49.4% used) Procs: 419
Shell: Zsh inxi: 3.3.12

These two i haven’t checked, everything else was pretty much seem to be normal. will look into it…