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How to trouble-shoot crashing apps when memory usage runs high?

tl flag

When memory usage reaches around 85% (including buff/cache), electron apps (i.e. VS Code, Chrome and Spotify and Slack) crashes if running and won't open if not.

No other applications crash or show any signs of being slow.

I reboot, and the problem is solved for a couple of hours until memory have stacked up, and it occurs again.

How do I troubleshoot and resolve this issue?

I have a Lenovo ThinkPad T14-20UD0010MX, with 16Gib SODIMM DDR4 running Ubuntu 20.04.3.

Last time it happened this was the status of the memory:

$ free -m
              total        used        free      shared  buff/cache   available
Mem:          15290        5722         171        6901        9396        2342
Swap:         16383         834       15549

All tests in Lenovo's memory diagnostic tool in BIOS which runs for a couple of hours passes. I have tried Ubuntu on Wayland as well as Xorg with no difference.

This is the first time I'm posting a question. Please, tell me what more information is needed, and I'll update. Thanks!

data-pata avatar
tl flag
Thanks, I clarified. Except for these application, the system shows no symptoms of being slow nor are any other applications crashing. And there is over 2Gib memory available.
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