20gb ram, 10gb zram, 10gb swap, default values. What should I change?

ExplodeyWolf@lemmy.world to Linux@lemmy.ml – 24 points –

I assume I should get rid of most of the swap. I also read somewhere to increase... swappiness of zram?

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Zram is basically a compressed swap device located in your ram. You can check the usage by running zramctl.

I would recommend setting mem_limit to 10 GB or disk_size to 40GB and algorithm to lz4.

https://github.com/ecdye/zram-config#example-configuration