Just going by those graphs, I could double my compression ratio by going from lz4 to zstd-1 without going below the speeds the drives in my pool can manage. The

Just going by those graphs, I could double my compression ratio by going from lz4 to zstd-1 without going below the speeds the drives in my pool can manage. The usual caveats apply, but it seems to me that this is a pretty good upgrade for the usual case where you're using hard drives instead of fast ssds in a pool.