fio-test VirtualBox testing on Alpine Linux v3.13 3.13.4 via the Phoronix Test Suite. fio-first: Processor: Intel Core i5-4590 (1 Core), Motherboard: Oracle VirtualBox v1.2, Memory: 478MB, Disk: 4GB VBOX HDD, Graphics: svgadrmfb OS: Alpine Linux v3.13 3.13.4, Kernel: 5.10.27-0-lts (x86_64), Compiler: GCC 10.2.1 20210328, File-System: ext4, Screen Resolution: 2048x2048, System Layer: VirtualBox Flexible IO Tester 3.25 Type: Random Read - Engine: Sync - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better fio-first . 340 |============================================================== Flexible IO Tester 3.25 Type: Random Read - Engine: Sync - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better fio-first . 5429 |============================================================= Flexible IO Tester 3.25 Type: Random Write - Engine: Sync - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better fio-first . 298 |============================================================== Flexible IO Tester 3.25 Type: Random Write - Engine: Sync - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better fio-first . 4763 |============================================================= Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better fio-first . 338 |============================================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better fio-first . 5404 |============================================================= Flexible IO Tester 3.25 Type: Sequential Read - Engine: Sync - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better fio-first . 340 |============================================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: Sync - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better fio-first . 5441 |============================================================= Flexible IO Tester 3.25 Type: Random Read - Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better fio-first . 299 |============================================================== Flexible IO Tester 3.25 Type: Random Read - Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better fio-first . 4780 |============================================================= Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better fio-first . 291 |============================================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better fio-first . 4660 |============================================================= Flexible IO Tester 3.25 Type: Sequential Write - Engine: Sync - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better fio-first . 291 |============================================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: Sync - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better fio-first . 4658 |============================================================= Flexible IO Tester 3.25 Type: Random Write - Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better fio-first . 280 |============================================================== Flexible IO Tester 3.25 Type: Random Write - Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better fio-first . 4467 |============================================================= Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better fio-first . 352 |============================================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better fio-first . 5622 |============================================================= Flexible IO Tester 3.25 Type: Sequential Read - Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better fio-first . 297 |============================================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better fio-first . 4758 |============================================================= Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better fio-first . 299 |============================================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better fio-first . 4777 |============================================================= Flexible IO Tester 3.25 Type: Sequential Write - Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory MB/s > Higher Is Better fio-first . 283 |============================================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: POSIX AIO - Buffered: No - Direct: No - Block Size: 64KB - Disk Target: Default Test Directory IOPS > Higher Is Better fio-first . 4523 |=============================================================