Have a look at this paper [0] While there are big gaps of write amplification for metadata writes, on macro benchmarks all filesystems have similar results. b

Have a look at this paper [0] While there are big gaps of write amplification for metadata writes, on macro benchmarks all filesystems have similar results. btrfs has the biggest WAF, but you can enable compression globally and I suspect that difference alone will make it come ahead of others. [0] Analyzing IO Amplification in Linux File Systems https://arxiv.org/abs/1707.08514 https://arxiv.org/abs/1707.08514