fio-test docker VMware testing on Ubuntu 16.04.3 LTS via the Phoronix Test Suite. Virtual disk: Processor: 4 x Intel Xeon E5645 @ 2.40GHz (4 Cores), Motherboard: Intel 440BX, Memory: 16384MB, Disk: 54GB Virtual disk OS: Ubuntu 16.04.3 LTS, Kernel: 4.9.67-rancher (x86_64), Compiler: GCC 5.4.0 20160609, File-System: overlayfs, System Layer: docker VMware Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better Virtual disk . 1090.13 |======================================================= Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better Virtual disk . 17377 |========================================================= Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better Virtual disk . 837.93 |======================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better Virtual disk . 13089 |========================================================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better Virtual disk . 1051.00 |======================================================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better Virtual disk . 16820 |========================================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better Virtual disk . 847.19 |======================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better Virtual disk . 13234 |========================================================= Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory MB/s > Higher Is Better Virtual disk . 1056.87 |======================================================= Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory IOPS > Higher Is Better Virtual disk . 1053 |========================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory MB/s > Higher Is Better Virtual disk . 882.05 |======================================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory IOPS > Higher Is Better Virtual disk . 858 |=========================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory MB/s > Higher Is Better Virtual disk . 940.66 |======================================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory IOPS > Higher Is Better Virtual disk . 915 |=========================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory MB/s > Higher Is Better Virtual disk . 891.31 |======================================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory IOPS > Higher Is Better Virtual disk . 867 |===========================================================