5x-ssd-btrfs-raid-10-zstd_direct 2 x AMD EPYC 7451 24-Core testing with a Dell 08V001 (1.17.0 BIOS) and Matrox G200eW3 on Guix via the Phoronix Test Suite. 2 x 240GB MZ7LM240HMHQ0D3: Processor: 2 x AMD EPYC 7451 24-Core (48 Cores / 96 Threads), Motherboard: Dell 08V001 (1.17.0 BIOS), Chipset: AMD 17h, Memory: 192GB, Disk: 2 x 240GB MZ7LM240HMHQ0D3 + 3 x 240GB SanDisk SSD PLUS + 4 x 109951GB Compellent Vol + 4 x 10995GB Compellent Vol, Graphics: Matrox G200eW3, Network: 2 x Broadcom BCM57416 NetXtreme-E Dual-Media 10G RDMA + 2 x Broadcom NetXtreme BCM5720 2-port PCIe OS: Guix, Kernel: 5.17.14-gnu (x86_64), Compiler: GCC 12.1.0, File-System: btrfs ext4 on SAN, node 129: Processor: 2 x AMD EPYC 7451 24-Core (48 Cores / 96 Threads), Motherboard: Dell 08V001 (1.17.0 BIOS), Chipset: AMD 17h, Memory: 192GB, Disk: 2 x 240GB MZ7LM240HMHQ0D3 + 3 x 240GB SanDisk SSD PLUS + 4 x 109951GB Compellent Vol + 4 x 10995GB Compellent Vol, Graphics: Matrox G200eW3, Network: 2 x Broadcom BCM57416 NetXtreme-E Dual-Media 10G RDMA + 2 x Broadcom NetXtreme BCM5720 2-port PCIe OS: Guix, Kernel: 5.17.14-gnu (x86_64), Compiler: GCC 12.1.0, File-System: btrfs btrfs on SAN, node 129: Processor: 2 x AMD EPYC 7451 24-Core (48 Cores / 96 Threads), Motherboard: Dell 08V001 (1.17.0 BIOS), Chipset: AMD 17h, Memory: 192GB, Disk: 2 x 240GB MZ7LM240HMHQ0D3 + 3 x 240GB SanDisk SSD PLUS + 4 x 109951GB Compellent Vol + 4 x 10995GB Compellent Vol, Graphics: Matrox G200eW3, Network: 2 x Broadcom BCM57416 NetXtreme-E Dual-Media 10G RDMA + 2 x Broadcom NetXtreme BCM5720 2-port PCIe OS: Guix, Kernel: 5.17.14-gnu (x86_64), Compiler: GCC 12.1.0, File-System: btrfs btrfs+zstd on SAN, node 129: Processor: 2 x AMD EPYC 7451 24-Core (48 Cores / 96 Threads), Motherboard: Dell 08V001 (1.17.0 BIOS), Chipset: AMD 17h, Memory: 192GB, Disk: 2 x 240GB MZ7LM240HMHQ0D3 + 3 x 240GB SanDisk SSD PLUS + 4 x 109951GB Compellent Vol + 4 x 10995GB Compellent Vol, Graphics: Matrox G200eW3, Network: 2 x Broadcom BCM57416 NetXtreme-E Dual-Media 10G RDMA + 2 x Broadcom NetXtreme BCM5720 2-port PCIe OS: Guix, Kernel: 5.17.14-gnu (x86_64), Compiler: GCC 12.1.0, File-System: btrfs btrfs+zstd/noatime on SAN, node 129: Processor: 2 x AMD EPYC 7451 24-Core (48 Cores / 96 Threads), Motherboard: Dell 08V001 (1.17.0 BIOS), Chipset: AMD 17h, Memory: 192GB, Disk: 2 x 240GB MZ7LM240HMHQ0D3 + 3 x 240GB SanDisk SSD PLUS + 4 x 109951GB Compellent Vol + 4 x 10995GB Compellent Vol, Graphics: Matrox G200eW3, Network: 2 x Broadcom BCM57416 NetXtreme-E Dual-Media 10G RDMA + 2 x Broadcom NetXtreme BCM5720 2-port PCIe OS: Guix, Kernel: 5.17.14-gnu (x86_64), Compiler: GCC 12.1.0, File-System: btrfs Flexible IO Tester 3.29 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 240GB MZ7LM240HMHQ0D3 ........... 238 |================================== ext4 on SAN, node 129 ............... 243 |=================================== btrfs on SAN, node 129 .............. 251 |==================================== btrfs+zstd on SAN, node 129 ......... 226 |================================ btrfs+zstd/noatime on SAN, node 129 . 240 |================================== Flexible IO Tester 3.29 Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better 2 x 240GB MZ7LM240HMHQ0D3 ........... 61013 |================================ ext4 on SAN, node 129 ............... 62313 |================================= btrfs on SAN, node 129 .............. 64147 |================================== btrfs+zstd on SAN, node 129 ......... 57892 |=============================== btrfs+zstd/noatime on SAN, node 129 . 61450 |================================= Flexible IO Tester 3.29 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 240GB MZ7LM240HMHQ0D3 ........... 41.5 |=================================== ext4 on SAN, node 129 ............... 39.5 |================================= btrfs on SAN, node 129 .............. 40.3 |================================== btrfs+zstd on SAN, node 129 ......... 40.5 |================================== btrfs+zstd/noatime on SAN, node 129 . 39.5 |================================= Flexible IO Tester 3.29 Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better 2 x 240GB MZ7LM240HMHQ0D3 ........... 10632 |================================== ext4 on SAN, node 129 ............... 10100 |================================ btrfs on SAN, node 129 .............. 10307 |================================= btrfs+zstd on SAN, node 129 ......... 10365 |================================= btrfs+zstd/noatime on SAN, node 129 . 10103 |================================ Flexible IO Tester 3.29 Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 240GB MZ7LM240HMHQ0D3 ........... 139.9 |================================ ext4 on SAN, node 129 ............... 147.9 |================================== btrfs on SAN, node 129 .............. 133.7 |=============================== btrfs+zstd on SAN, node 129 ......... 146.0 |================================== btrfs+zstd/noatime on SAN, node 129 . 125.7 |============================= Flexible IO Tester 3.29 Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better 2 x 240GB MZ7LM240HMHQ0D3 ........... 35827 |================================ ext4 on SAN, node 129 ............... 37860 |================================== btrfs on SAN, node 129 .............. 34220 |=============================== btrfs+zstd on SAN, node 129 ......... 37380 |================================== btrfs+zstd/noatime on SAN, node 129 . 32173 |============================= Flexible IO Tester 3.29 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 240GB MZ7LM240HMHQ0D3 ........... 64.1 |=============================== ext4 on SAN, node 129 ............... 71.5 |=================================== btrfs on SAN, node 129 .............. 71.1 |=================================== btrfs+zstd on SAN, node 129 ......... 67.3 |================================= btrfs+zstd/noatime on SAN, node 129 . 65.2 |================================ Flexible IO Tester 3.29 Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better 2 x 240GB MZ7LM240HMHQ0D3 ........... 16409 |============================== ext4 on SAN, node 129 ............... 18312 |================================== btrfs on SAN, node 129 .............. 18193 |================================== btrfs+zstd on SAN, node 129 ......... 17227 |================================ btrfs+zstd/noatime on SAN, node 129 . 16678 |===============================