docker-vs-kvm-disk
2 x AMD Opteron 2376 HE testing with a IBM Server Blade and 128MB on Ubuntu 14.04 via the Phoronix Test Suite.


docker: 

	Processor: 2 x AMD Opteron 2376 HE @ 2.30GHz (8 Cores), Motherboard: IBM Server Blade, Memory: 16384MB, Disk: 4 x 1797GB 1814 FAStT + 147GB CBRBA146C3ETS0 N, Graphics: 128MB

	OS: Ubuntu 14.04, Kernel: 3.10.0-229.7.2.el7.x86_64 (x86_64), Compiler: GCC 4.8, File-System: ext4, Screen Resolution: 1024x768

KVM: 

	Processor: 2 x AMD Opteron 23xx (Gen 3 Class Opteron) @ 2.30GHz (2 Cores), Motherboard: Fedora OpenStack Nova, Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 2048 MB RAM, Disk: 5GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device

	OS: Ubuntu 14.04, Kernel: 3.13.0-46-generic (x86_64), Compiler: GCC 4.8, File-System: ext4


IOzone 3.405
Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
docker . 2221.62 |===================================================
KVM .... 2635.11 |=============================================================


IOzone 3.405
Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
docker . 1876.04 |=================================================
KVM .... 2337.81 |=============================================================


IOzone 3.405
Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
docker . 55.76 |=======================================================
KVM .... 64.05 |===============================================================


IOzone 3.405
Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
docker . 63.31 |==============================================================
KVM .... 64.25 |===============================================================


IOzone 3.405
Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
docker . 2007.53 |=================================================
KVM .... 2520.65 |=============================================================


IOzone 3.405
Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
docker . 61.54 |==============================================================
KVM .... 62.92 |===============================================================