And "performance" here isn't some single digit percentage niggling either, it's something like a 4x difference. Enough to genuinely be a pretty big deal for any

And "performance" here isn't some single digit percentage niggling either, it's something like a 4x difference. Enough to genuinely be a pretty big deal for any usage beyond minimal and occasional "get some data off this fs once" type of usage. Of course really the answer is that Microsoft should just adopt Lundman's efforts and add native OpenZFS support to Windows but in the mean time... ;).