zfs and nfs async
Xen HVM domU 4.13 testing on Ubuntu 18.04 via the Phoronix Test Suite.


async run by geek baba: 

	Processor: 2 x Intel Xeon E5-2680 v3 @ 2.50GHz (8 Cores), Motherboard: Xen HVM domU v4.13, Chipset: Intel 440FX- 82441FX PMC, Memory: 8192MB, Disk: 22GB, Graphics: Device 1234:1111

	OS: Ubuntu 18.04, Kernel: 4.15.0-96-generic (x86_64), File-System: ext4, Screen Resolution: 800x600, System Layer: Xen HVM domU 4.13


IOzone 3.465
Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
async run by geek baba . 6190.62 |=============================================


IOzone 3.465
Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
async run by geek baba . 3358.39 |=============================================


IOzone 3.465
Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
async run by geek baba . 355.44 |==============================================


IOzone 3.465
Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
async run by geek baba . 334.29 |==============================================


IOzone 3.465
Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
async run by geek baba . 6502.03 |=============================================


IOzone 3.465
Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
async run by geek baba . 353.71 |==============================================