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 IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better docker . 2221.62 |============================================================= IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better docker . 1876.04 |============================================================= IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better docker . 55.76 |=============================================================== IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better docker . 63.31 |=============================================================== IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better docker . 2007.53 |============================================================= IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better docker . 61.54 |===============================================================