tiobench docker under vm docker VMware testing on Ubuntu 16.04.3 LTS via the Phoronix Test Suite. TIOBench T4: Processor: 8 x Intel Xeon E5540 @ 2.53GHz (8 Cores), Motherboard: Intel 440BX, Memory: 32768MB, Disk: 54GB Virtual disk, Graphics: svgadrmfb OS: Ubuntu 16.04.3 LTS, Kernel: 4.4.0-96-generic (x86_64), Compiler: GCC 5.4.0 20160609, File-System: overlayfs, Screen Resolution: 1176x885, System Layer: docker VMware Threaded I/O Tester 20170503 Test: Read - Size Per Thread: 128MB - Thread Count: 4 MB/s > Higher Is Better TIOBench T4 . 5288.53 |======================================================== Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 128MB - Thread Count: 4 MB/s > Higher Is Better TIOBench T4 . 4.46 |=========================================================== Threaded I/O Tester 20170503 Test: Random Read - Size Per Thread: 128MB - Thread Count: 4 MB/s > Higher Is Better TIOBench T4 . 40176.57 |======================================================= Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 128MB - Thread Count: 4 MB/s > Higher Is Better TIOBench T4 . 36.59 |==========================================================