kswapd0 Using 100% CPU: Memory or a Miner?
A busy kswapd0 is the kernel reclaiming memory or another program using its name. Check its parent PID, owner and exe link, then fix memory or investigate.
#swap
Filtering by topic #swap · clear
Does your VPS need swap? How to size it
Most cloud images ship with no swap. Here is when a small VPS needs a swap file, how big to make it, what vm.swappiness trades, and when zram wins.