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 |====================================================== Virtual disk . 1078.93 |======================================================= 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 |========================================================= Virtual disk . 1075 |========================================================== 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 |======================================================== Virtual disk . 844.72 |====================================================== 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 |=========================================================== Virtual disk . 821 |======================================================== 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 |======================================================== Virtual disk . 819.24 |================================================= 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 |=========================================================== Virtual disk . 797 |=================================================== 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 |======================================================== Virtual disk . 829.77 |==================================================== 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 |=========================================================== Virtual disk . 807 |=======================================================