laddwilson30apr2019 Xen HVM domU 4.7.6-6.4.1.xcpng testing on Ubuntu 19.04 via the Phoronix Test Suite. guest vm, nfs mount, sync=disabled: Processor: 2 x Intel Xeon X5650 (32 Cores), Motherboard: Xen HVM domU (4.7.6-6.4.1.xcpng BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 2048MB, Disk: 20201GB, Graphics: bochsdrmfb OS: Ubuntu 19.04, Kernel: 5.0.0-13-generic (x86_64), Compiler: GCC 8.3.0, File-System: nfs, Screen Resolution: 1024x768, System Layer: Xen HVM domU 4.7.6-6.4.1.xcpng IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better guest vm, nfs mount, sync=disabled . 4929 |==================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better guest vm, nfs mount, sync=disabled . 3090 |==================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better guest vm, nfs mount, sync=disabled . 808.89 |================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better guest vm, nfs mount, sync=disabled . 725 |===================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better guest vm, nfs mount, sync=disabled . 5327 |==================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better guest vm, nfs mount, sync=disabled . 800 |=====================================