this post was submitted on 06 Feb 2024
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Oh I can tell you that zram will not result in an OOM that zswap would prevent:
I once ran into a bug when using foobar2000 with wine to convert my music library that resulted in an insanely high ram usage, like my 16 GIB ram was filled and then my 32 GIB zram was also filled and the PC froze.
I just went and edited my zram config to make my zram 48GIB and ran foobar again, it ended the conversion without issue kek. No idea wtf happened but whatever data was being written in memory was being compressed good by zRAM, like very few people would even use a swap partition or file that is more than 32 GIB to begin with.
I also tested running Zelda tears of the kingdom in yuzu using 4GiB of ram with a big zram and it worked, that game in yuzu is a ramhog and on windows people need 16 GiB of ram and they still max out their swapfile.
There is also a vid on yt titled zram vs windows pagefile where a user running endevour demostrates how zram can take a bunch of Minecraft mods while windows with the help its of pagefile cant
Edit: Here is the vid: https://www.youtube.com/watch?v=nMYTBsjeoTc