Zram

Disable swap

• disable the current swap

swapoff -a

• disable the swap also after a reboot

edit /etc/fstap and comment the relative lines

Install zram-tools

apt-get install zram-tools
zramswap status

Tune your zram

• stop zram

zramswap stop

• edit zram config

edit /etc/default/zramswap, I'm using those settings

ALGO=lz4
PERCENT=25
PRIORITY=100

• start zram again

zramswap start

Reference

• zram - Wikipedia
• zram.txt - kernel.org/doc
• prevent system freeze/unresponsiveness due to swapping run away memory usage - Super User
• zram vs zswap vs zcache Ultimate guide: when to use which one - Ask Ubuntu
• Difference between ZRAM and ZSWAP - Stack Overflow
• zram opinated benchmarks - reddit r/Fedora
• Zram swap on Debian and Linux Mint - Daniel Wayne Armstrong