On (24/11/26 14:09), Sergey Senozhatsky wrote: > > swap-out time(ms) 68711 49908 > > swap-in time(ms) 30687 20685 > > compression ratio 20.49% 16.9% I'm also sort of curious if you'd use zstd with pre-trained user dictionary [1] (e.g. based on a dump of your swap-file under most common workloads) would it give you desired compression ratio improvements (on current zram, that does single page compression). [1] https://github.com/facebook/zstd?tab=readme-ov-file#the-case-for-small-data-compression