CentOS 7 over iSCSI KVM testing on CentOS Linux 7 via the Phoronix Test Suite. centos-vstorage-hdd-with-ssd-cache: Processor: AMD EPYC (8 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org BIOS), Memory: 1 x 8192 MB RAM QEMU, Disk: 9GB QEMU HDD OS: CentOS Linux 7, Kernel: 3.10.0-1127.18.2.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, System Layer: KVM QEMU HDD: Processor: AMD EPYC (8 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org BIOS), Memory: 1 x 8192 MB RAM QEMU, Disk: 9GB QEMU HDD OS: CentOS Linux 7, Kernel: 3.10.0-1127.18.2.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, System Layer: KVM FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 246.2 |============================ QEMU HDD ........................... 310.6 |=================================== FS-Mark 3.3 Test: 5000 Files, 1MB Size, 4 Threads Files/s > Higher Is Better QEMU HDD . 794.1 |============================================================= FS-Mark 3.3 Test: 4000 Files, 32 Sub Dirs, 1MB Size Files/s > Higher Is Better QEMU HDD . 335.8 |============================================================= FS-Mark 3.3 Test: 1000 Files, 1MB Size, No Sync/FSync Files/s > Higher Is Better QEMU HDD . 2279.9 |============================================================ Flexible IO Tester 3.18 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 654 |=================================== QEMU HDD ........................... 687 |===================================== Flexible IO Tester 3.18 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 63925 |================================= QEMU HDD ........................... 67933 |=================================== Flexible IO Tester 3.18 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 313 |================================= QEMU HDD ........................... 350 |===================================== Flexible IO Tester 3.18 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 3920 |=============================== QEMU HDD ........................... 4551 |==================================== Flexible IO Tester 3.18 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 635 |=================================== QEMU HDD ........................... 665 |===================================== Flexible IO Tester 3.18 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 95560 |=============================== QEMU HDD ........................... 103333 |================================== Flexible IO Tester 3.18 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 321 |===================================== QEMU HDD ........................... 306 |=================================== Flexible IO Tester 3.18 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 4541 |==================================== QEMU HDD ........................... 1836 |=============== Flexible IO Tester 3.18 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 1315 |================================== QEMU HDD ........................... 1380 |==================================== Flexible IO Tester 3.18 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 248 |=================================== QEMU HDD ........................... 265 |===================================== Flexible IO Tester 3.18 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 633 |================================= QEMU HDD ........................... 707 |===================================== Flexible IO Tester 3.18 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 15.37 |============================== QEMU HDD ........................... 18.20 |=================================== Flexible IO Tester 3.18 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 1276 |================================== QEMU HDD ........................... 1337 |==================================== Flexible IO Tester 3.18 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 373 |================================== QEMU HDD ........................... 404 |===================================== Flexible IO Tester 3.18 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 651.00 |================================== QEMU HDD ........................... 259.23 |============== Flexible IO Tester 3.18 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better centos-vstorage-hdd-with-ssd-cache . 17.826 |================================== QEMU HDD ........................... 7.190 |============== Dbench 4.0 12 Clients MB/s > Higher Is Better QEMU HDD . 1299.44 |=========================================================== Dbench 4.0 1 Clients MB/s > Higher Is Better QEMU HDD . 183.87 |============================================================ Compile Bench 0.6 Test: Compile MB/s > Higher Is Better QEMU HDD . 823.93 |============================================================ Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better QEMU HDD . 128.01 |============================================================ Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better QEMU HDD . 551.13 |============================================================ PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better QEMU HDD . 4237 |============================================================== SQLite 3.30.1 Timed SQLite Insertions Seconds < Lower Is Better centos-vstorage-hdd-with-ssd-cache . 31.41 |=================================== QEMU HDD ........................... 30.32 |==================================