zfssingledrive Xen HVM domU 4.17 testing on Ubuntu 22.04 via the Phoronix Test Suite. firstone: Processor: AMD EPYC 7702P 64-Core (4 Cores), Motherboard: Xen HVM domU v4.17, Chipset: Intel 440FX 82441FX PMC, Memory: 8GB, Disk: 23GB, Graphics: bochs-drmdrmfb OS: Ubuntu 22.04, Kernel: 5.15.0-112-generic (x86_64), Vulkan: 1.3.255, Compiler: GCC 11.4.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.17 IOzone 3.465 Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better firstone . 4263.57 |=========================================================== IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better firstone . 4238.39 |=========================================================== IOzone 3.465 Record Size: 2MB - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better firstone . 346.40 |============================================================ IOzone 3.465 Record Size: 2MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better firstone . 7563.91 |=========================================================== IOzone 3.465 Record Size: 2MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better firstone . 7496.93 |=========================================================== IOzone 3.465 Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better firstone . 345.64 |============================================================ IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better firstone . 7633.26 |=========================================================== IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better firstone . 8056.07 |===========================================================