Sounds like its probably limited by the speed of the EBS volume. What does iostat -xmty 10 /dev/nvmeblah look like against the EBS volume while this is happening? The enterprise support folks are awesome though I’d go straight to them personally 
Sounds like its probably limited by the speed of the EBS volume. What does iostat -xmty 10 /dev/nvmeblah look like against the EBS volume while this is happening? The enterprise support folks are awesome though I’d go straight to them personally