[ValdikSS]

That's easy to fix:

    Step 1:

    sudo tee /etc/tmpfiles.d/mglru.conf <<EOF
    w-      /sys/kernel/mm/lru_gen/enabled          -       -       -       -       y
    w-      /sys/kernel/mm/lru_gen/min_ttl_ms       -       -       -       -       300
    EOF
    
    Step 2:
    
    
    apt install zram-tools
    sed -i 's/#PERCENT=.*/PERCENT=130/' /etc/default/zramswap

[alyandon]

I'm on an older LTS kernel so no support for lru_gen but I will definitely check out zramswap - thanks.

[ValdikSS]

Then also do this:

    echo vm.page-cluster=0 >> /etc/sysctl.d/85-swappiness.conf