centos-disk-test
Running pts/aio-stress-1.1.1, pts/iozone-1.8.0, pts/unpack-linux-1.0.0, pts/postmark-1.1.0 via the Phoronix Test Suite.


xen-centos6: 

	Processor: Intel Core 2 Quad Q9300 @ 2.49GHz (4 Cores), Memory: 3072MB, Disk: 18GB

	OS: CentOS 6.5, Kernel: 3.10.49-1.el6.elrepo.x86_64 (x86_64), Compiler: GCC 4.4.7 20120313, File-System: ext4, System Layer: Xen 4.1.5 Hypervisor

xen-centos7: 

	Processor: 4 x Intel Core 2 Quad Q9300 @ 2.49GHz (4 Cores), Motherboard: Xen HVM domU v4.1.5, Chipset: Intel 440FX- 82441FX PMC, Memory: 2048MB, Disk: 9GB, Graphics: Cirrus Logic GD 5446

	OS: CentOS Linux 7.0.1406, Kernel: 3.10.0-123.4.2.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.8.4, Display Driver: modesetting 0.8.0, Compiler: GCC 4.8.2 20140120, File-System: xfs, System Layer: Xen HVM domU 4.1.5

BBBBBBBBBBBBBBBBBBBBBBBBcentos7: 

	Processor: Intel Core 2 Quad Q9300 @ 2.49GHz (4 Cores), Motherboard: ASUS Berkeley, Chipset: Intel 82G33/G31/P35/P31 + ICH9R, Memory: 4096MB, Disk: 80GB Seagate ST380011A, Graphics: Intel 82G33/G31 IGP, Network: Intel 82566DC-2 Gigabit Connection

	OS: CentOS Linux 7.0.1406, Kernel: 3.10.0-123.4.4.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.8.4, Display Driver: intel 2.21.15, OpenGL: 2.1 Mesa 9.2.5, Compiler: GCC 4.8.2 20140120, File-System: xfs, Screen Resolution: 1024x768


AIO-Stress 0.21
Test: Random Write
MB/s > Higher Is Better
xen-centos6 ..................... 27.46 |===========================
xen-centos7 ..................... 17.27 |=================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 38.68 |======================================


IOzone 3.405
Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
xen-centos6 ..................... 3062.99 |====================================
xen-centos7 ..................... 37.87   |
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 3060.51 |====================================


IOzone 3.405
Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance
MB/s > Higher Is Better
xen-centos6 ..................... 49.58 |=====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 51.54 |======================================


IOzone 3.405
Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance
MB/s > Higher Is Better
xen-centos6 ..................... 50.02 |=====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 50.74 |======================================


IOzone 3.405
Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
xen-centos6 ..................... 1542.72 |======================
xen-centos7 ..................... 36.46   |=
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 2476.75 |====================================


IOzone 3.405
Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance
MB/s > Higher Is Better
xen-centos6 ..................... 50.09 |======================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 50.58 |======================================


IOzone 3.405
Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance
MB/s > Higher Is Better
xen-centos6 ..................... 50.17 |=====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 50.88 |======================================


IOzone 3.405
Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
xen-centos6 ..................... 34.28 |===================================
xen-centos7 ..................... 34.65 |====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 36.73 |======================================


IOzone 3.405
Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance
MB/s > Higher Is Better
xen-centos6 ..................... 34.52 |====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 36.92 |======================================


IOzone 3.405
Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance
MB/s > Higher Is Better
xen-centos6 ..................... 35.07 |====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 36.91 |======================================


IOzone 3.405
Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
xen-centos6 ..................... 34.28 |===================================
xen-centos7 ..................... 35.53 |=====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 36.73 |======================================


IOzone 3.405
Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance
MB/s > Higher Is Better
xen-centos6 ..................... 34.62 |====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 36.89 |======================================


IOzone 3.405
Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance
MB/s > Higher Is Better
xen-centos6 ..................... 34.59 |====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 36.74 |======================================


IOzone 3.405
Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance
MB/s > Higher Is Better
xen-centos6 ..................... 3188.69 |===================================
xen-centos7 ..................... 37.86   |
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 3307.19 |====================================


IOzone 3.405
Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance
MB/s > Higher Is Better
xen-centos6 ..................... 50.43 |=====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 51.52 |======================================


IOzone 3.405
Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance
MB/s > Higher Is Better
xen-centos6 ..................... 50.50 |======================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 50.72 |======================================


IOzone 3.405
Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
xen-centos6 ..................... 2916.50 |===================================
xen-centos7 ..................... 2975.26 |====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 2953.85 |====================================


IOzone 3.405
Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
xen-centos6 ..................... 1531.53 |========================
xen-centos7 ..................... 2343.82 |====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 2297.90 |===================================


IOzone 3.405
Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance
MB/s > Higher Is Better
xen-centos6 ..................... 34.32 |===================================
xen-centos7 ..................... 35.60 |=====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 36.74 |======================================


IOzone 3.405
Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance
MB/s > Higher Is Better
xen-centos6 ..................... 34.77 |====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 36.94 |======================================


IOzone 3.405
Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance
MB/s > Higher Is Better
xen-centos6 ..................... 34.95 |====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 36.88 |======================================


IOzone 3.405
Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
xen-centos6 ..................... 32.34 |==================================
xen-centos7 ..................... 35.34 |=====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 35.96 |======================================


IOzone 3.405
Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
xen-centos6 ..................... 31.26 |==================================
xen-centos7 ..................... 35.17 |======================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 35.34 |======================================


IOzone 3.405
Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
xen-centos6 ..................... 3140.33 |====================================
xen-centos7 ..................... 3180.67 |====================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 2987.88 |==================================


IOzone 3.405
Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
xen-centos6 ..................... 32.11 |==================================
xen-centos7 ..................... 35.45 |======================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 35.92 |======================================


Unpacking The Linux Kernel
linux-2.6.32.tar.bz2
Seconds < Lower Is Better
xen-centos6 ..................... 19.95 |===============================
xen-centos7 ..................... 21.63 |==================================
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 24.42 |======================================


PostMark 1.51
Disk Transaction Performance
TPS > Higher Is Better
xen-centos6 ..................... 1138 |========================
xen-centos7 ..................... 397  |========
BBBBBBBBBBBBBBBBBBBBBBBBcentos7 . 1874 |=======================================