recordSizeKib
The record size of an OpenZFS volume, in kibibytes (KiB). Valid values are 4, 8, 16, 32, 64, 128, 256, 512, or 1024 KiB. The default is 128 KiB. Most workloads should use the default record size. For guidance on when to set a custom record size, see the Amazon FSx for OpenZFS User Guide.