Ubuntu v136.0.3: Memory Pressure default is WAAAAAYYYYY TOO HIGH

jesus_carvalho — Tue, 01 Apr 2025 13:30:25 GMT

After investigating what I thought was a memory leak in Ubuntu 24.04.LTS, I found my 3 window / 20 tab FF process consuming ~60GB of RAM (via htop). Shockingly, the setting:

browser.ml.maximumMemoryPressure

has a DEFAULT setting of 80, which I understand to mean "use 80% of available ram before cleaning up anything". After decreasing this to 30, my memory usage is normal and I can leave the computer on for multiple days without rebooting.

I look forward to an edifying discussion about why this setting is so high and why I'm wrong to think it too high.

Thanks in advance

Re: Ubuntu v136.0.3: Memory Pressure default is WAAAAAYYYYY TOO HIGH

jesus_carvalho — Tue, 01 Apr 2025 13:54:05 GMT

I also do NOT understand why this setting needed tweaking at all since I have experiments and studies disabled.

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Ubuntu v136.0.3: Memory Pressure default is WAAAAAYYYYY TOO HIGH

Re: Ubuntu v136.0.3: Memory Pressure default is WAAAAAYYYYY TOO HIGH