https://chrisdown.name/2026/03/24/zswap-vs-zram-when-to-use-what.html

zram makes sense if you do not have swap.

zswap is probably enabled by default in most distros. It compresses cold pages on the fly so that they're ready to quickly get swapped in and out.

I do hit the swap partition occasionally on my 32GB systems.

My workstation has 48 GB RAM with 50% allocation allowed to zram, no disk swapping. It works just fine. Once I use up the majority of my RAM, it kicks in the same way it would on any other system with less RAM.

Genuinely curious: what are you doing to be needing this?

I cannot think of any modern usecase for swap a part from hybernation

Why do you think 32GiB is special compared to 16GiB?
And wtf is EasyOOM?

You maximize the usefulness of zram by actually increasing sappiness, and giving zram devices high priority. e.g.

sysctl vm.swappiness=100

for i in {1..8}; do
  swapon /dev/zram${i} -p 32767
done

Then you enable other swap devices with lower priority.

This is the way regardless of how much RAM you have. I mean, it may be pointless if you never ever exceed, let's say 10/32GiB (including caching). But it still wouldn't be harmful in any way.