SLOG Experiments AMD Ryzen 5 3600XT 6-Core testing with a Gigabyte B550M DS3H (F11 BIOS) and NVIDIA GeForce GTX 1660 SUPER 6GB on Linuxmint 20.1 via the Phoronix Test Suite. Setup 1: SATA Disk only: Processor: AMD Ryzen 5 3600XT 6-Core @ 3.80GHz (6 Cores / 12 Threads), Motherboard: Gigabyte B550M DS3H (F11 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 500GB Western Digital WDS500G2B0C-00PXH0 + 2000GB Western Digital WDS200T2B0C-00PXH0 + 256GB Samsung SSD 850 + 2 x 128GB SAMSUNG SSD 830 + 500GB Seagate ST500LM012 HN-M5, Graphics: NVIDIA GeForce GTX 1660 SUPER 6GB, Audio: NVIDIA TU116 HD Audio, Network: Realtek RTL8111/8168/8411 OS: Linuxmint 20.1, Kernel: 5.4.0-66-generic (x86_64), Desktop: Xfce, Display Server: X Server 1.20.9, Display Driver: NVIDIA, Vulkan: 1.2.155, Compiler: GCC 9.3.0, File-System: zfs, Screen Resolution: 1024x768 Setup 2: SATA Disk only with sync=disabled: Processor: AMD Ryzen 5 3600XT 6-Core @ 3.80GHz (6 Cores / 12 Threads), Motherboard: Gigabyte B550M DS3H (F11 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 500GB Western Digital WDS500G2B0C-00PXH0 + 2000GB Western Digital WDS200T2B0C-00PXH0 + 256GB Samsung SSD 850 + 2 x 128GB SAMSUNG SSD 830 + 500GB Seagate ST500LM012 HN-M5, Graphics: NVIDIA GeForce GTX 1660 SUPER 6GB, Audio: NVIDIA TU116 HD Audio, Network: Realtek RTL8111/8168/8411 OS: Linuxmint 20.1, Kernel: 5.4.0-66-generic (x86_64), Desktop: Xfce, Display Server: X Server 1.20.9, Display Driver: NVIDIA, Vulkan: 1.2.155, Compiler: GCC 9.3.0, File-System: zfs, Screen Resolution: 1024x768 Setup 3: SATA Disk with SLOG on SATA SSD: Processor: AMD Ryzen 5 3600XT 6-Core @ 3.80GHz (6 Cores / 12 Threads), Motherboard: Gigabyte B550M DS3H (F11 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 500GB Western Digital WDS500G2B0C-00PXH0 + 2000GB Western Digital WDS200T2B0C-00PXH0 + 256GB Samsung SSD 850 + 2 x 128GB SAMSUNG SSD 830 + 500GB Seagate ST500LM012 HN-M5, Graphics: NVIDIA GeForce GTX 1660 SUPER 6GB, Audio: NVIDIA TU116 HD Audio, Network: Realtek RTL8111/8168/8411 OS: Linuxmint 20.1, Kernel: 5.4.0-66-generic (x86_64), Desktop: Xfce, Display Server: X Server 1.20.9, Display Driver: NVIDIA, Vulkan: 1.2.155, Compiler: GCC 9.3.0, File-System: zfs, Screen Resolution: 1024x768 Setup 4: SATA Disk with SLOG on RAM disk: Processor: AMD Ryzen 5 3600XT 6-Core @ 3.80GHz (6 Cores / 12 Threads), Motherboard: Gigabyte B550M DS3H (F11 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 500GB Western Digital WDS500G2B0C-00PXH0 + 2000GB Western Digital WDS200T2B0C-00PXH0 + 256GB Samsung SSD 850 + 2 x 128GB SAMSUNG SSD 830 + 500GB Seagate ST500LM012 HN-M5, Graphics: NVIDIA GeForce GTX 1660 SUPER 6GB, Audio: NVIDIA TU116 HD Audio, Network: Realtek RTL8111/8168/8411 OS: Linuxmint 20.1, Kernel: 5.4.0-66-generic (x86_64), Desktop: Xfce, Display Server: X Server 1.20.9, Display Driver: NVIDIA, Vulkan: 1.2.155, Compiler: GCC 9.3.0, File-System: zfs, Screen Resolution: 1024x768 Setup 5: SATA Disk with SLOG on RAM disk with sync=always: Processor: AMD Ryzen 5 3600XT 6-Core @ 3.80GHz (6 Cores / 12 Threads), Motherboard: Gigabyte B550M DS3H (F11 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 500GB Western Digital WDS500G2B0C-00PXH0 + 2000GB Western Digital WDS200T2B0C-00PXH0 + 256GB Samsung SSD 850 + 2 x 128GB SAMSUNG SSD 830 + 500GB Seagate ST500LM012 HN-M5, Graphics: NVIDIA GeForce GTX 1660 SUPER 6GB, Audio: NVIDIA TU116 HD Audio, Network: Realtek RTL8111/8168/8411 OS: Linuxmint 20.1, Kernel: 5.4.0-66-generic (x86_64), Desktop: Xfce, Display Server: X Server 1.20.9, Display Driver: NVIDIA, Vulkan: 1.2.155, Compiler: GCC 9.3.0, File-System: zfs, Screen Resolution: 1024x768 Setup 6: SATA SSD only: Processor: AMD Ryzen 5 3600XT 6-Core @ 3.80GHz (6 Cores / 12 Threads), Motherboard: Gigabyte B550M DS3H (F11 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: 500GB Western Digital WDS500G2B0C-00PXH0 + 2000GB Western Digital WDS200T2B0C-00PXH0 + 256GB Samsung SSD 850 + 2 x 128GB SAMSUNG SSD 830 + 500GB Seagate ST500LM012 HN-M5, Graphics: NVIDIA GeForce GTX 1660 SUPER 6GB, Audio: NVIDIA TU116 HD Audio, Network: Realtek RTL8111/8168/8411 OS: Linuxmint 20.1, Kernel: 5.4.0-66-generic (x86_64), Desktop: Xfce, Display Server: X Server 1.20.9, Display Driver: NVIDIA, Vulkan: 1.2.155, Compiler: GCC 9.3.0, File-System: zfs, Screen Resolution: 1024x768 Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 3802 |============= Setup 2: SATA Disk only with sync=disabled ................ 3842 |============= Setup 3: SATA Disk with SLOG on SATA SSD .................. 3803 |============= Setup 4: SATA Disk with SLOG on RAM disk .................. 3828 |============= Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 3852 |============= Setup 6: SATA SSD only .................................... 3790 |============= Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 1897 |============= Setup 2: SATA Disk only with sync=disabled ................ 1918 |============= Setup 3: SATA Disk with SLOG on SATA SSD .................. 1898 |============= Setup 4: SATA Disk with SLOG on RAM disk .................. 1911 |============= Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 1922 |============= Setup 6: SATA SSD only .................................... 1891 |============= Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 245 |============== Setup 2: SATA Disk only with sync=disabled ................ 244 |============== Setup 3: SATA Disk with SLOG on SATA SSD .................. 248 |============== Setup 4: SATA Disk with SLOG on RAM disk .................. 245 |============== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 228 |============= Setup 6: SATA SSD only .................................... 224 |============= Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 62633 |============ Setup 2: SATA Disk only with sync=disabled ................ 62500 |============ Setup 3: SATA Disk with SLOG on SATA SSD .................. 63367 |============ Setup 4: SATA Disk with SLOG on RAM disk .................. 62667 |============ Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 58367 |=========== Setup 6: SATA SSD only .................................... 57333 |=========== Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 3839 |============= Setup 2: SATA Disk only with sync=disabled ................ 3830 |============= Setup 3: SATA Disk with SLOG on SATA SSD .................. 3758 |============= Setup 4: SATA Disk with SLOG on RAM disk .................. 3835 |============= Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 3850 |============= Setup 6: SATA SSD only .................................... 3756 |============= Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 1916 |============= Setup 2: SATA Disk only with sync=disabled ................ 1911 |============= Setup 3: SATA Disk with SLOG on SATA SSD .................. 1875 |============= Setup 4: SATA Disk with SLOG on RAM disk .................. 1914 |============= Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 1921 |============= Setup 6: SATA SSD only .................................... 1875 |============= Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 246 |============== Setup 2: SATA Disk only with sync=disabled ................ 244 |============== Setup 3: SATA Disk with SLOG on SATA SSD .................. 246 |============== Setup 4: SATA Disk with SLOG on RAM disk .................. 246 |============== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 228 |============= Setup 6: SATA SSD only .................................... 221 |============= Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 63000 |============ Setup 2: SATA Disk only with sync=disabled ................ 62533 |============ Setup 3: SATA Disk with SLOG on SATA SSD .................. 63000 |============ Setup 4: SATA Disk with SLOG on RAM disk .................. 62867 |============ Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 58433 |=========== Setup 6: SATA SSD only .................................... 56567 |=========== Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 3405 |============= Setup 2: SATA Disk only with sync=disabled ................ 3427 |============= Setup 3: SATA Disk with SLOG on SATA SSD .................. 3445 |============= Setup 4: SATA Disk with SLOG on RAM disk .................. 3428 |============= Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 3432 |============= Setup 6: SATA SSD only .................................... 3370 |============= Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 1699 |============= Setup 2: SATA Disk only with sync=disabled ................ 1710 |============= Setup 3: SATA Disk with SLOG on SATA SSD .................. 1719 |============= Setup 4: SATA Disk with SLOG on RAM disk .................. 1710 |============= Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 1713 |============= Setup 6: SATA SSD only .................................... 1681 |============= Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 243 |============== Setup 2: SATA Disk only with sync=disabled ................ 243 |============== Setup 3: SATA Disk with SLOG on SATA SSD .................. 246 |============== Setup 4: SATA Disk with SLOG on RAM disk .................. 241 |============== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 226 |============= Setup 6: SATA SSD only .................................... 220 |============= Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 62133 |============ Setup 2: SATA Disk only with sync=disabled ................ 62333 |============ Setup 3: SATA Disk with SLOG on SATA SSD .................. 62667 |============ Setup 4: SATA Disk with SLOG on RAM disk .................. 61800 |============ Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 57933 |=========== Setup 6: SATA SSD only .................................... 56200 |=========== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 259 |====== Setup 2: SATA Disk only with sync=disabled ................ 217 |===== Setup 3: SATA Disk with SLOG on SATA SSD .................. 240 |===== Setup 4: SATA Disk with SLOG on RAM disk .................. 254 |===== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 130 |=== Setup 6: SATA SSD only .................................... 654 |============== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 125 |===== Setup 2: SATA Disk only with sync=disabled ................ 105 |===== Setup 3: SATA Disk with SLOG on SATA SSD .................. 117 |===== Setup 4: SATA Disk with SLOG on RAM disk .................. 123 |===== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 61 |=== Setup 6: SATA SSD only .................................... 323 |============== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 10.870 |== Setup 2: SATA Disk only with sync=disabled ................ 9.298 |== Setup 3: SATA Disk with SLOG on SATA SSD .................. 11.355 |== Setup 4: SATA Disk with SLOG on RAM disk .................. 11.267 |== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 8.666 |== Setup 6: SATA SSD only .................................... 54.500 |=========== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 2778 |=== Setup 2: SATA Disk only with sync=disabled ................ 2334 |== Setup 3: SATA Disk with SLOG on SATA SSD .................. 2918 |=== Setup 4: SATA Disk with SLOG on RAM disk .................. 2875 |=== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 2163 |== Setup 6: SATA SSD only .................................... 13000 |============ Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 3415 |============= Setup 2: SATA Disk only with sync=disabled ................ 3454 |============= Setup 3: SATA Disk with SLOG on SATA SSD .................. 3419 |============= Setup 4: SATA Disk with SLOG on RAM disk .................. 3426 |============= Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 3413 |============= Setup 6: SATA SSD only .................................... 3433 |============= Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 1704 |============= Setup 2: SATA Disk only with sync=disabled ................ 1723 |============= Setup 3: SATA Disk with SLOG on SATA SSD .................. 1706 |============= Setup 4: SATA Disk with SLOG on RAM disk .................. 1709 |============= Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 1703 |============= Setup 6: SATA SSD only .................................... 1713 |============= Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 240 |============== Setup 2: SATA Disk only with sync=disabled ................ 245 |============== Setup 3: SATA Disk with SLOG on SATA SSD .................. 239 |============== Setup 4: SATA Disk with SLOG on RAM disk .................. 242 |============== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 210 |============ Setup 6: SATA SSD only .................................... 218 |============ Flexible IO Tester 3.25 Type: Random Read - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 61400 |============ Setup 2: SATA Disk only with sync=disabled ................ 62567 |============ Setup 3: SATA Disk with SLOG on SATA SSD .................. 61200 |============ Setup 4: SATA Disk with SLOG on RAM disk .................. 61867 |============ Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 53633 |========== Setup 6: SATA SSD only .................................... 55800 |=========== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 218 |===== Setup 2: SATA Disk only with sync=disabled ................ 218 |===== Setup 3: SATA Disk with SLOG on SATA SSD .................. 260 |====== Setup 4: SATA Disk with SLOG on RAM disk .................. 252 |===== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 130 |=== Setup 6: SATA SSD only .................................... 655 |============== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 105 |===== Setup 2: SATA Disk only with sync=disabled ................ 106 |===== Setup 3: SATA Disk with SLOG on SATA SSD .................. 126 |===== Setup 4: SATA Disk with SLOG on RAM disk .................. 123 |===== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 61 |=== Setup 6: SATA SSD only .................................... 324 |============== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 10.188 |== Setup 2: SATA Disk only with sync=disabled ................ 8.784 |== Setup 3: SATA Disk with SLOG on SATA SSD .................. 11.700 |== Setup 4: SATA Disk with SLOG on RAM disk .................. 11.400 |== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 8.745 |== Setup 6: SATA SSD only .................................... 54.500 |=========== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 2601 |== Setup 2: SATA Disk only with sync=disabled ................ 2192 |== Setup 3: SATA Disk with SLOG on SATA SSD .................. 2990 |=== Setup 4: SATA Disk with SLOG on RAM disk .................. 2928 |=== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 2183 |== Setup 6: SATA SSD only .................................... 13900 |============ Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 211 |===== Setup 2: SATA Disk only with sync=disabled ................ 214 |===== Setup 3: SATA Disk with SLOG on SATA SSD .................. 260 |====== Setup 4: SATA Disk with SLOG on RAM disk .................. 243 |===== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 131 |=== Setup 6: SATA SSD only .................................... 653 |============== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 102 |==== Setup 2: SATA Disk only with sync=disabled ................ 103 |==== Setup 3: SATA Disk with SLOG on SATA SSD .................. 126 |===== Setup 4: SATA Disk with SLOG on RAM disk .................. 118 |===== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 62 |=== Setup 6: SATA SSD only .................................... 323 |============== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 9.929 |== Setup 2: SATA Disk only with sync=disabled ................ 8.470 |== Setup 3: SATA Disk with SLOG on SATA SSD .................. 11.600 |== Setup 4: SATA Disk with SLOG on RAM disk .................. 11.200 |== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 8.301 |== Setup 6: SATA SSD only .................................... 54.400 |=========== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 2515 |== Setup 2: SATA Disk only with sync=disabled ................ 2114 |== Setup 3: SATA Disk with SLOG on SATA SSD .................. 2976 |=== Setup 4: SATA Disk with SLOG on RAM disk .................. 2879 |== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 2072 |== Setup 6: SATA SSD only .................................... 13900 |============ Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 205 |==== Setup 2: SATA Disk only with sync=disabled ................ 222 |===== Setup 3: SATA Disk with SLOG on SATA SSD .................. 257 |===== Setup 4: SATA Disk with SLOG on RAM disk .................. 251 |===== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 133 |=== Setup 6: SATA SSD only .................................... 659 |============== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 99 |==== Setup 2: SATA Disk only with sync=disabled ................ 107 |===== Setup 3: SATA Disk with SLOG on SATA SSD .................. 125 |===== Setup 4: SATA Disk with SLOG on RAM disk .................. 122 |===== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 63 |=== Setup 6: SATA SSD only .................................... 326 |============== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Setup 1: SATA Disk only ................................... 9.984 |== Setup 2: SATA Disk only with sync=disabled ................ 10.182 |== Setup 3: SATA Disk with SLOG on SATA SSD .................. 11.350 |== Setup 4: SATA Disk with SLOG on RAM disk .................. 10.874 |== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 8.616 |== Setup 6: SATA SSD only .................................... 54.400 |=========== Flexible IO Tester 3.25 Type: Random Write - Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Setup 1: SATA Disk only ................................... 2532 |== Setup 2: SATA Disk only with sync=disabled ................ 2592 |== Setup 3: SATA Disk with SLOG on SATA SSD .................. 2899 |=== Setup 4: SATA Disk with SLOG on RAM disk .................. 2773 |== Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 2150 |== Setup 6: SATA SSD only .................................... 13900 |============ FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better Setup 1: SATA Disk only ................................... 15.3 |= Setup 2: SATA Disk only with sync=disabled ................ 98.8 |========= Setup 3: SATA Disk with SLOG on SATA SSD .................. 90.8 |======== Setup 4: SATA Disk with SLOG on RAM disk .................. 132.8 |============ Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 107.1 |========== Setup 6: SATA SSD only .................................... 83.2 |======== FS-Mark 3.3 Test: 1000 Files, 1MB Size, No Sync/FSync Files/s > Higher Is Better Setup 1: SATA Disk only ................................... 134.4 |= Setup 2: SATA Disk only with sync=disabled ................ 85.1 |= Setup 3: SATA Disk with SLOG on SATA SSD .................. 164.4 |= Setup 4: SATA Disk with SLOG on RAM disk .................. 142.5 |= Setup 5: SATA Disk with SLOG on RAM disk with sync=always . 257.0 |== Setup 6: SATA SSD only .................................... 1335.3 |===========