Optane 900p SSD Linux File System Benchmarks AMD EPYC 7601 32-Core testing with Optane 900P SSD for Phoronix.com. Btrfs: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR, Chipset: AMD Device 1450, Memory: 129024MB, Disk: 120GB Force MP500 + 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Compiler: GCC 7.2.0, File-System: btrfs, Screen Resolution: 1024x768 Btrfs - compress=zstd: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR, Chipset: AMD Device 1450, Memory: 129024MB, Disk: 120GB Force MP500 + 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Compiler: GCC 7.2.0, File-System: btrfs, Screen Resolution: 1024x768 Btrfs - discard: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR, Chipset: AMD Device 1450, Memory: 129024MB, Disk: 120GB Force MP500 + 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Compiler: GCC 7.2.0, File-System: btrfs, Screen Resolution: 1024x768 Btrfs - nodatacow: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR, Chipset: AMD Device 1450, Memory: 129024MB, Disk: 120GB Force MP500 + 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Compiler: GCC 7.2.0, File-System: btrfs, Screen Resolution: 1024x768 EXT4: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR, Chipset: AMD Device 1450, Memory: 129024MB, Disk: 120GB Force MP500 + 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1024x768 EXT4 - discard: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR, Chipset: AMD Device 1450, Memory: 129024MB, Disk: 120GB Force MP500 + 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1024x768 EXT4 - nobarrier: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR, Chipset: AMD Device 1450, Memory: 129024MB, Disk: 120GB Force MP500 + 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1024x768 F2FS: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR, Chipset: AMD Device 1450, Memory: 129024MB, Disk: 120GB Force MP500 + 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Compiler: GCC 7.2.0, File-System: f2fs, Screen Resolution: 1024x768 F2FS - discard: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR, Chipset: AMD Device 1450, Memory: 129024MB, Disk: 120GB Force MP500 + 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Compiler: GCC 7.2.0, File-System: f2fs, Screen Resolution: 1024x768 F2FS - nobarrier: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR, Chipset: AMD Device 1450, Memory: 129024MB, Disk: 120GB Force MP500 + 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Compiler: GCC 7.2.0, File-System: f2fs, Screen Resolution: 1024x768 XFS: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR, Chipset: AMD Device 1450, Memory: 129024MB, Disk: 120GB Force MP500 + 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Compiler: GCC 7.2.0, File-System: xfs, Screen Resolution: 1024x768 XFS - discard: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR, Chipset: AMD Device 1450, Memory: 129024MB, Disk: 120GB Force MP500 + 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 17.10, Kernel: 4.14.0-041400-generic (x86_64), Desktop: GNOME Shell 3.26.1, Compiler: GCC 7.2.0, File-System: xfs, Screen Resolution: 1024x768 Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Btrfs ................. 2598.40 |============================================== Btrfs - compress=zstd . 2599.73 |============================================== Btrfs - discard ....... 2600.87 |============================================== Btrfs - nodatacow ..... 2342.60 |========================================= EXT4 .................. 2344.87 |========================================= EXT4 - discard ........ 2617.53 |============================================== EXT4 - nobarrier ...... 2616.93 |============================================== F2FS .................. 2346.57 |========================================= F2FS - discard ........ 2617.40 |============================================== F2FS - nobarrier ...... 2612.03 |============================================== XFS ................... 2603.97 |============================================== XFS - discard ......... 2344.93 |========================================= Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better Btrfs ................. 1295 |================================================= Btrfs - compress=zstd . 1296 |================================================= Btrfs - discard ....... 1297 |================================================= Btrfs - nodatacow ..... 1168 |============================================ EXT4 .................. 1169 |============================================ EXT4 - discard ........ 1305 |================================================= EXT4 - nobarrier ...... 1305 |================================================= F2FS .................. 1169 |============================================ F2FS - discard ........ 1305 |================================================= F2FS - nobarrier ...... 1302 |================================================= XFS ................... 1298 |================================================= XFS - discard ......... 1169 |============================================ Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Btrfs ................. 531.30 |===================== Btrfs - compress=zstd . 519.72 |==================== Btrfs - discard ....... 498.38 |=================== Btrfs - nodatacow ..... 604.97 |======================= EXT4 .................. 1183.03 |============================================== EXT4 - discard ........ 1166.58 |============================================= EXT4 - nobarrier ...... 1164.97 |============================================= F2FS .................. 1188.25 |============================================== F2FS - discard ........ 1170.27 |============================================= F2FS - nobarrier ...... 1169.57 |============================================= XFS ................... 1155.78 |============================================= XFS - discard ......... 1151.85 |============================================= Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Btrfs ................. 132822 |===================== Btrfs - compress=zstd . 129927 |==================== Btrfs - discard ....... 124590 |=================== Btrfs - nodatacow ..... 151238 |======================= EXT4 .................. 302812 |=============================================== EXT4 - discard ........ 298628 |============================================== EXT4 - nobarrier ...... 298215 |============================================== F2FS .................. 304184 |=============================================== F2FS - discard ........ 299680 |============================================== F2FS - nobarrier ...... 299464 |============================================== XFS ................... 295861 |============================================== XFS - discard ......... 294815 |============================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Btrfs ................. 2066.33 |============================================ Btrfs - compress=zstd . 2137.97 |============================================= Btrfs - discard ....... 2139.10 |============================================= Btrfs - nodatacow ..... 1939.50 |========================================= EXT4 .................. 1940.03 |========================================= EXT4 - discard ........ 2155.80 |============================================== EXT4 - nobarrier ...... 2159.43 |============================================== F2FS .................. 1939.83 |========================================= F2FS - discard ........ 2157.83 |============================================== F2FS - nobarrier ...... 2159.43 |============================================== XFS ................... 2178.63 |============================================== XFS - discard ......... 1956.63 |========================================= Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better Btrfs ................. 1029 |============================================== Btrfs - compress=zstd . 1065 |================================================ Btrfs - discard ....... 1066 |================================================ Btrfs - nodatacow ..... 966 |============================================ EXT4 .................. 967 |============================================ EXT4 - discard ........ 1074 |================================================ EXT4 - nobarrier ...... 1076 |================================================= F2FS .................. 966 |============================================ F2FS - discard ........ 1075 |================================================= F2FS - nobarrier ...... 1076 |================================================= XFS ................... 1086 |================================================= XFS - discard ......... 975 |============================================ Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Btrfs ................. 114.53 |===== Btrfs - compress=zstd . 144.98 |====== Btrfs - nodatacow ..... 378.88 |================ EXT4 .................. 1087.70 |============================================== EXT4 - discard ........ 1085.93 |============================================== EXT4 - nobarrier ...... 1084.30 |============================================== F2FS .................. 1083.13 |============================================== F2FS - discard ........ 1066.03 |============================================= F2FS - nobarrier ...... 1052.10 |============================================ XFS ................... 813.44 |================================== XFS - discard ......... 830.97 |=================================== Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Btrfs ................. 28628 |===== Btrfs - compress=zstd . 36240 |====== Btrfs - nodatacow ..... 94716 |================ EXT4 .................. 278498 |=============================================== EXT4 - discard ........ 277980 |=============================================== EXT4 - nobarrier ...... 277559 |=============================================== F2FS .................. 277316 |=============================================== F2FS - discard ........ 272895 |============================================== F2FS - nobarrier ...... 269282 |============================================= XFS ................... 203356 |================================== XFS - discard ......... 207739 |=================================== Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Btrfs ................. 657.24 |============ Btrfs - compress=zstd . 621.78 |=========== Btrfs - nodatacow ..... 2345.83 |========================================= EXT4 .................. 2347.50 |========================================= EXT4 - discard ........ 2619.27 |============================================== EXT4 - nobarrier ...... 2619.47 |============================================== F2FS .................. 2347.83 |========================================= F2FS - discard ........ 2619.73 |============================================== F2FS - nobarrier ...... 2619.93 |============================================== XFS ................... 2618.30 |============================================== XFS - discard ......... 2346.60 |========================================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better Btrfs ................. 317 |============ Btrfs - compress=zstd . 300 |=========== Btrfs - nodatacow ..... 1170 |============================================ EXT4 .................. 1170 |============================================ EXT4 - discard ........ 1306 |================================================= EXT4 - nobarrier ...... 1306 |================================================= F2FS .................. 1170 |============================================ F2FS - discard ........ 1306 |================================================= F2FS - nobarrier ...... 1307 |================================================= XFS ................... 1306 |================================================= XFS - discard ......... 1170 |============================================ Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Btrfs ................. 520.11 |=================== Btrfs - compress=zstd . 480.83 |================== Btrfs - nodatacow ..... 667.71 |========================= EXT4 .................. 1202.03 |============================================= EXT4 - discard ........ 1207.10 |============================================= EXT4 - nobarrier ...... 1207.20 |============================================= F2FS .................. 1237.60 |============================================== F2FS - discard ........ 1198.86 |============================================= F2FS - nobarrier ...... 1231.00 |============================================== XFS ................... 1178.70 |============================================ XFS - discard ......... 1200.87 |============================================= Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Btrfs ................. 130024 |=================== Btrfs - compress=zstd . 120205 |================== Btrfs - nodatacow ..... 166925 |========================= EXT4 .................. 307745 |============================================== EXT4 - discard ........ 309077 |============================================== EXT4 - nobarrier ...... 309024 |============================================== F2FS .................. 316859 |=============================================== F2FS - discard ........ 306869 |============================================== F2FS - nobarrier ...... 315189 |=============================================== XFS ................... 301720 |============================================= XFS - discard ......... 307546 |============================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better Btrfs ................. 2115.13 |============================================= Btrfs - compress=zstd . 1800.60 |====================================== Btrfs - nodatacow ..... 1937.83 |========================================= EXT4 .................. 1939.33 |========================================= EXT4 - discard ........ 2155.27 |============================================== EXT4 - nobarrier ...... 2157.53 |============================================== F2FS .................. 1939.57 |========================================= F2FS - discard ........ 2157.63 |============================================== F2FS - nobarrier ...... 2157.23 |============================================== XFS ................... 2178.93 |============================================== XFS - discard ......... 1956.47 |========================================= Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better Btrfs ................. 1054 |================================================ Btrfs - compress=zstd . 897 |======================================== Btrfs - nodatacow ..... 965 |============================================ EXT4 .................. 966 |============================================ EXT4 - discard ........ 1074 |================================================ EXT4 - nobarrier ...... 1075 |================================================= F2FS .................. 966 |============================================ F2FS - discard ........ 1075 |================================================= F2FS - nobarrier ...... 1075 |================================================= XFS ................... 1086 |================================================= XFS - discard ......... 975 |============================================ Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better Btrfs ................. 112.81 |===== Btrfs - compress=zstd . 122.70 |===== Btrfs - nodatacow ..... 424.11 |================= EXT4 .................. 1133.00 |============================================== EXT4 - discard ........ 1108.40 |============================================= EXT4 - nobarrier ...... 1123.87 |============================================== F2FS .................. 1108.12 |============================================= F2FS - discard ........ 1082.00 |============================================ F2FS - nobarrier ...... 1079.20 |============================================ XFS ................... 876.14 |==================================== XFS - discard ......... 872.70 |=================================== Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: Libaio - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better Btrfs ................. 28198 |===== Btrfs - compress=zstd . 30670 |===== Btrfs - nodatacow ..... 106023 |================= EXT4 .................. 289978 |=============================================== EXT4 - discard ........ 283721 |============================================== EXT4 - nobarrier ...... 287634 |=============================================== F2FS .................. 283633 |============================================== F2FS - discard ........ 277028 |============================================= F2FS - nobarrier ...... 276254 |============================================= XFS ................... 220032 |==================================== XFS - discard ......... 218170 |=================================== FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better Btrfs ................. 546.20 |=================================== Btrfs - compress=zstd . 544.43 |=================================== Btrfs - discard ....... 550.13 |=================================== Btrfs - nodatacow ..... 688.00 |============================================ EXT4 .................. 621.97 |======================================== EXT4 - discard ........ 639.73 |========================================= EXT4 - nobarrier ...... 632.83 |======================================== F2FS .................. 673.83 |=========================================== F2FS - discard ........ 736.93 |=============================================== F2FS - nobarrier ...... 720.03 |============================================== XFS ................... 653.90 |========================================== XFS - discard ......... 628.10 |======================================== FS-Mark 3.3 Test: 5000 Files, 1MB Size, 4 Threads Files/s > Higher Is Better Btrfs ................. 1375.60 |============================================ Btrfs - compress=zstd . 1373.20 |=========================================== Btrfs - discard ....... 1349.07 |=========================================== Btrfs - nodatacow ..... 1329.00 |========================================== EXT4 .................. 1228.60 |======================================= EXT4 - discard ........ 1340.40 |========================================== EXT4 - nobarrier ...... 1319.70 |========================================== F2FS .................. 1152.40 |==================================== F2FS - discard ........ 1300.10 |========================================= F2FS - nobarrier ...... 1311.53 |========================================== XFS ................... 1452.93 |============================================== XFS - discard ......... 1378.83 |============================================ FS-Mark 3.3 Test: 4000 Files, 32 Sub Dirs, 1MB Size Files/s > Higher Is Better Btrfs ................. 537.20 |=================================== Btrfs - compress=zstd . 538.70 |==================================== Btrfs - discard ....... 526.30 |=================================== Btrfs - nodatacow ..... 693.10 |============================================== EXT4 .................. 612.07 |======================================== EXT4 - discard ........ 612.53 |======================================== EXT4 - nobarrier ...... 610.20 |======================================== F2FS .................. 666.00 |============================================ F2FS - discard ........ 712.50 |=============================================== F2FS - nobarrier ...... 698.47 |============================================== XFS ................... 663.80 |============================================ XFS - discard ......... 632.60 |========================================== BlogBench 1.0 Test: Read Final Score > Higher Is Better Btrfs ................. 1518076 |============================================ Btrfs - compress=zstd . 1507873 |=========================================== Btrfs - discard ....... 1490453 |=========================================== Btrfs - nodatacow ..... 1545695 |============================================ EXT4 .................. 1416463 |========================================= EXT4 - discard ........ 1393605 |======================================== EXT4 - nobarrier ...... 1392827 |======================================== F2FS .................. 1602701 |============================================== F2FS - discard ........ 1555239 |============================================= F2FS - nobarrier ...... 1582825 |============================================= XFS ................... 1508007 |=========================================== XFS - discard ......... 1506753 |=========================================== BlogBench 1.0 Test: Write Final Score > Higher Is Better Btrfs ................. 6514 |========= Btrfs - compress=zstd . 6481 |========= Btrfs - discard ....... 6411 |========= Btrfs - nodatacow ..... 6993 |========== EXT4 .................. 34082 |================================================ EXT4 - discard ........ 32602 |============================================== EXT4 - nobarrier ...... 33256 |=============================================== F2FS .................. 8701 |============ F2FS - discard ........ 8695 |============ F2FS - nobarrier ...... 9169 |============= XFS ................... 13423 |=================== XFS - discard ......... 13310 |=================== Dbench 4.0 Client Count: 1 MB/s > Higher Is Better Btrfs ................. 542.09 |=========================== Btrfs - compress=zstd . 518.93 |========================== Btrfs - discard ....... 554.87 |=========================== Btrfs - nodatacow ..... 596.37 |============================= EXT4 .................. 651.37 |================================ EXT4 - discard ........ 620.18 |=============================== EXT4 - nobarrier ...... 651.69 |================================ F2FS .................. 949.60 |=============================================== F2FS - discard ........ 949.68 |=============================================== F2FS - nobarrier ...... 951.15 |=============================================== XFS ................... 607.50 |============================== XFS - discard ......... 775.34 |====================================== Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better Btrfs ................. 27.77 |===== Btrfs - compress=zstd . 27.33 |===== Btrfs - discard ....... 28.63 |===== Btrfs - nodatacow ..... 35.11 |======= EXT4 .................. 128.07 |======================== EXT4 - discard ........ 137.56 |========================== EXT4 - nobarrier ...... 130.02 |========================= F2FS .................. 246.05 |=============================================== F2FS - discard ........ 237.94 |============================================= F2FS - nobarrier ...... 245.16 |=============================================== XFS ................... 141.70 |=========================== XFS - discard ......... 129.11 |========================= Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better Btrfs ................. 181.80 |== Btrfs - compress=zstd . 173.53 |== Btrfs - discard ....... 173.82 |== Btrfs - nodatacow ..... 332.16 |=== EXT4 .................. 4817.61 |========================================== EXT4 - discard ........ 5229.55 |============================================== EXT4 - nobarrier ...... 4848.17 |=========================================== F2FS .................. 4188.75 |===================================== F2FS - discard ........ 3860.79 |================================== F2FS - nobarrier ...... 4112.07 |==================================== XFS ................... 1496.88 |============= XFS - discard ......... 1479.91 |=============