ZFS no cache no zil
KVM testing on CentOS Linux 7 via the Phoronix Test Suite.


oslabs: 

	Processor: Common KVM (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.11.2-0-gf9626ccb91-prebuilt.qemu-project.org BIOS), Memory: 1 x 2048 MB RAM QEMU, Disk: 11GB QEMU HDD, Graphics: bochsdrmfb

	OS: CentOS Linux 7, Kernel: 3.10.0-1062.9.1.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM


IOzone 3.465
Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
oslabs . 1492.71 |=============================================================


IOzone 3.465
Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
oslabs . 1178.59 |=============================================================


IOzone 3.465
Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
oslabs . 970.19 |==============================================================


IOzone 3.465
Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
oslabs . 625.80 |==============================================================


IOzone 3.465
Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
oslabs . 1435.20 |=============================================================


IOzone 3.465
Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
oslabs . 859.76 |==============================================================