twemlowfreenas Running pts/iozone-1.9.4 via the Phoronix Test Suite. arc_cache: Processor: 2 x Intel Core i3-3217U @ 1.80GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 2048 MB DRAM, Disk: 21GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-36-generic (x86_64), File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware no_arc_cache: Processor: 2 x Intel Core i3-3217U @ 1.80GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 2048 MB DRAM, Disk: 21GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-36-generic (x86_64), File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware no_arc_more_tests: Processor: 2 x Intel Core i3-3217U @ 1.80GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 2048 MB DRAM, Disk: 21GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-36-generic (x86_64), File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware no_arc_1: Processor: 2 x Intel Core i3-3217U @ 1.80GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 2048 MB DRAM, Disk: 21GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-36-generic (x86_64), File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware no_arc_2: Processor: 2 x Intel Core i3-3217U @ 1.80GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 2048 MB DRAM, Disk: 21GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-36-generic (x86_64), File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware no_arc_3: Processor: 2 x Intel Core i3-3217U @ 1.80GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 2048 MB DRAM, Disk: 21GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-36-generic (x86_64), File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware arc_1: Processor: 2 x Intel Core i3-3217U @ 1.80GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 2048 MB DRAM, Disk: 21GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-36-generic (x86_64), File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware flash_1: Processor: 2 x Intel Core i3-3217U @ 1.80GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 2048 MB DRAM, Disk: 21GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-36-generic (x86_64), File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware flash_rr_1: Processor: 2 x Intel Core i3-3217U @ 1.80GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 2048 MB DRAM, Disk: 21GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-36-generic (x86_64), File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware flash_rr_2: Processor: 2 x Intel Core i3-3217U @ 1.80GHz (2 Cores), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 1 x 2048 MB DRAM, Disk: 21GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3 OS: Ubuntu 18.04, Kernel: 4.15.0-36-generic (x86_64), File-System: ext4, Screen Resolution: 1176x885, System Layer: VMware IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better arc_cache .... 4120.05 |============================================= no_arc_cache . 4676.10 |=================================================== no_arc_1 ..... 3593.72 |======================================= no_arc_2 ..... 3758.40 |========================================= no_arc_3 ..... 3075.63 |================================== arc_1 ........ 3871.20 |========================================== flash_1 ...... 3859.88 |========================================== flash_rr_1 ... 5049.03 |======================================================= flash_rr_2 ... 3915.41 |=========================================== IOzone 3.465 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better arc_cache .... 70.72 |==================================== no_arc_cache . 94.69 |================================================= no_arc_1 ..... 99.83 |=================================================== no_arc_2 ..... 70.56 |==================================== no_arc_3 ..... 101.98 |===================================================== arc_1 ........ 99.06 |=================================================== flash_1 ...... 94.62 |================================================= flash_rr_1 ... 107.30 |======================================================= flash_rr_2 ... 108.60 |======================================================== IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better no_arc_more_tests . 99.39 |================================================== no_arc_1 .......... 100.48 |=================================================== no_arc_2 .......... 95.70 |================================================ no_arc_3 .......... 94.43 |================================================ arc_1 ............. 96.20 |================================================ flash_1 ........... 99.34 |================================================== flash_rr_2 ........ 101.19 |=================================================== IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better no_arc_more_tests . 98.58 |================================================= no_arc_1 .......... 93.57 |=============================================== no_arc_2 .......... 96.81 |================================================ no_arc_3 .......... 102.32 |=================================================== arc_1 ............. 98.00 |================================================= flash_1 ........... 92.96 |============================================== flash_rr_2 ........ 102.44 |=================================================== IOzone 3.465 Record Size: 1MB - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better no_arc_more_tests . 90.25 |=========================================== no_arc_1 .......... 93.26 |============================================ no_arc_2 .......... 96.89 |============================================== no_arc_3 .......... 97.41 |============================================== arc_1 ............. 98.24 |============================================== flash_1 ........... 83.87 |======================================== flash_rr_2 ........ 107.82 |=================================================== IOzone 3.465 Record Size: 4Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better no_arc_more_tests . 90.05 |=========================================== no_arc_1 .......... 94.05 |============================================= no_arc_2 .......... 97.93 |============================================== no_arc_3 .......... 93.31 |============================================ arc_1 ............. 99.18 |=============================================== flash_1 ........... 102.24 |================================================ flash_rr_2 ........ 107.67 |=================================================== IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Read Performance MB/s > Higher Is Better no_arc_more_tests . 101.64 |================================================== no_arc_1 .......... 99.55 |================================================= no_arc_2 .......... 101.95 |================================================== no_arc_3 .......... 92.10 |============================================= arc_1 ............. 99.08 |================================================ flash_1 ........... 104.59 |=================================================== flash_rr_2 ........ 104.28 |=================================================== IOzone 3.465 Record Size: 64Kb - File Size: 2GB - Disk Test: Write Performance MB/s > Higher Is Better no_arc_more_tests . 90.63 |=========================================== no_arc_1 .......... 98.82 |============================================== no_arc_2 .......... 95.83 |============================================= no_arc_3 .......... 95.96 |============================================= arc_1 ............. 98.10 |============================================== flash_1 ........... 98.40 |============================================== flash_rr_2 ........ 108.72 |=================================================== IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better no_arc_1 ... 99.79 |========================================================= no_arc_2 ... 102.14 |========================================================== no_arc_3 ... 93.76 |===================================================== arc_1 ...... 94.96 |====================================================== flash_1 .... 97.83 |======================================================== flash_rr_2 . 99.68 |========================================================= IOzone 3.465 Record Size: 1MB - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better no_arc_1 ... 95.67 |========================================================= no_arc_2 ... 94.80 |======================================================== no_arc_3 ... 98.83 |=========================================================== arc_1 ...... 95.84 |========================================================= flash_1 .... 91.86 |====================================================== flash_rr_2 . 99.66 |=========================================================== IOzone 3.465 Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better no_arc_1 ... 99.71 |========================================================= no_arc_2 ... 100.66 |========================================================== no_arc_3 ... 99.11 |========================================================= arc_1 ...... 100.52 |========================================================== flash_1 .... 85.79 |================================================= flash_rr_2 . 99.69 |========================================================= IOzone 3.465 Record Size: 4Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better no_arc_1 ... 97.32 |======================================================== no_arc_2 ... 100.95 |========================================================== no_arc_3 ... 101.08 |========================================================== arc_1 ...... 100.09 |========================================================= flash_1 .... 97.37 |======================================================== flash_rr_2 . 99.11 |========================================================= IOzone 3.465 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better no_arc_1 ... 94.26 |================================================== no_arc_2 ... 98.82 |===================================================== no_arc_3 ... 97.04 |==================================================== arc_1 ...... 97.59 |==================================================== flash_1 .... 86.66 |============================================== flash_rr_2 . 108.38 |========================================================== IOzone 3.465 Record Size: 1MB - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better no_arc_1 ... 92.55 |================================================== no_arc_2 ... 98.52 |===================================================== no_arc_3 ... 88.59 |=============================================== arc_1 ...... 96.55 |==================================================== flash_1 .... 88.22 |=============================================== flash_rr_2 . 108.36 |========================================================== IOzone 3.465 Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better no_arc_1 ... 96.02 |==================================================== no_arc_2 ... 94.66 |=================================================== no_arc_3 ... 97.84 |===================================================== arc_1 ...... 98.02 |===================================================== flash_1 .... 100.11 |====================================================== flash_rr_2 . 107.42 |========================================================== IOzone 3.465 Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better no_arc_1 ... 94.31 |==================================================== no_arc_2 ... 94.13 |=================================================== no_arc_3 ... 98.23 |====================================================== arc_1 ...... 93.48 |=================================================== flash_1 .... 97.16 |===================================================== flash_rr_2 . 106.17 |========================================================== IOzone 3.465 Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better no_arc_1 ... 102.53 |========================================================== no_arc_2 ... 102.71 |========================================================== no_arc_3 ... 97.83 |======================================================= arc_1 ...... 100.48 |======================================================== flash_1 .... 95.79 |====================================================== flash_rr_2 . 103.33 |========================================================== IOzone 3.465 Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance MB/s > Higher Is Better no_arc_1 ... 101.21 |========================================================== no_arc_2 ... 99.09 |========================================================= no_arc_3 ... 97.64 |======================================================== arc_1 ...... 99.61 |========================================================= flash_1 .... 101.68 |========================================================== flash_rr_2 . 101.12 |========================================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better no_arc_1 ... 1247.64 |======================================================= no_arc_2 ... 1245.71 |======================================================= no_arc_3 ... 681.05 |============================== arc_1 ...... 1238.08 |====================================================== flash_1 .... 1287.23 |========================================================= flash_rr_2 . 1295.69 |========================================================= IOzone 3.465 Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better no_arc_1 ... 102.14 |======================================================= no_arc_2 ... 98.43 |===================================================== no_arc_3 ... 86.99 |=============================================== arc_1 ...... 97.92 |===================================================== flash_1 .... 94.84 |=================================================== flash_rr_2 . 107.40 |========================================================== IOzone 3.465 Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better no_arc_1 ... 99.02 |===================================================== no_arc_2 ... 97.13 |==================================================== no_arc_3 ... 92.70 |================================================= arc_1 ...... 98.20 |==================================================== flash_1 .... 100.84 |====================================================== flash_rr_2 . 108.83 |========================================================== IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better no_arc_1 ... 91.47 |==================================================== no_arc_2 ... 63.55 |==================================== no_arc_3 ... 94.28 |===================================================== arc_1 ...... 96.28 |====================================================== flash_1 .... 97.31 |======================================================= flash_rr_2 . 102.48 |========================================================== IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better no_arc_1 ... 3612.53 |=================================================== no_arc_2 ... 3617.98 |=================================================== no_arc_3 ... 2696.70 |====================================== arc_1 ...... 3804.52 |====================================================== flash_1 .... 3908.80 |======================================================= flash_rr_2 . 4019.97 |========================================================= IOzone 3.465 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better no_arc_1 ... 100.01 |====================================================== no_arc_2 ... 102.92 |======================================================= no_arc_3 ... 102.90 |======================================================= arc_1 ...... 99.06 |===================================================== flash_1 .... 101.70 |======================================================= flash_rr_2 . 108.20 |==========================================================