disk-performance3
qemu testing on Ubuntu 16.04 via the Phoronix Test Suite.


ext4-nocow: 

	Processor: 2 x Intel Core i7 9xx (Nehalem Class Core i7) @ 3.00GHz (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996), Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 6987GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device

	OS: Ubuntu 16.04, Kernel: 4.4.0-66-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: nfs, Screen Resolution: 1024x768, System Layer: qemu


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
ext4-nocow . 17.13 |===========================================================