simplecontainerfile Docker testing on Ubuntu 18.04.3 LTS via the Phoronix Test Suite. simplecontainerfileiotest: Processor: Intel Core i5-3337U @ 2.70GHz (2 Cores / 4 Threads), Motherboard: LENOVO 34441B8 (G6ET99WW 2.59 BIOS), Memory: 4096MB, Disk: 240GB INTEL SSDSCMMW24, Graphics: inteldrmfb (1100MHz), Audio: Realtek ALC269VC OS: Ubuntu 18.04.3 LTS, Kernel: 5.0.0-37-generic (x86_64), Compiler: GCC 7.4.0, File-System: overlayfs, Screen Resolution: 1600x900, System Layer: Docker Flexible IO Tester 3.16 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 8KB - Disk Target: Default Test Directory MB/s > Higher Is Better simplecontainerfileiotest . 32.3 |=============================================