Btrfs Running pts/compress-gzip-1.1.0, pts/sqlite-1.8.0, pts/apache-1.3.0, pts/pgbench-1.2.0, pts/compilebench-1.0.0, pts/iozone-1.7.0, pts/dbench-1.0.0, pts/fs-mark-1.0.0, pts/fio-1.1.0, pts/tiobench-1.1.0, pts/postmark-1.0.0, pts/aio-stress-1.1.0, pts/unpack-linux-1.0.0. Btrfs Defaults: Processor: AMD Opteron 2384 @ 2.70GHz (4 Cores), Motherboard: TYAN S2927/S2927-E, Chipset: nVidia MCP55, Memory: 4025MB, Disk: 64GB AGILITY-EX, Graphics: ATI/AMD Radeon HD 4870 (750/900MHz), Audio: ATI R6xx HDMI, Monitor: DELL S2409W OS: Ubuntu 10.10, Kernel: 2.6.37-999-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.13.1, Compiler: GCC 4.4.5, File-System: btrfs, Screen Resolution: 1920x1080 Btrfs Compression: Processor: AMD Opteron 2384 @ 2.70GHz (4 Cores), Motherboard: TYAN S2927/S2927-E, Chipset: nVidia MCP55, Memory: 4025MB, Disk: 64GB AGILITY-EX, Graphics: ATI/AMD Radeon HD 4870 (750/900MHz), Audio: ATI R6xx HDMI, Monitor: DELL S2409W OS: Ubuntu 10.10, Kernel: 2.6.37-999-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.13.1, Compiler: GCC 4.4.5, File-System: btrfs, Screen Resolution: 1920x1080 Btrfs space_cache: Processor: AMD Opteron 2384 @ 2.70GHz (4 Cores), Motherboard: TYAN S2927/S2927-E, Chipset: nVidia MCP55, Memory: 4025MB, Disk: 64GB AGILITY-EX, Graphics: ATI/AMD Radeon HD 4870 (750/900MHz), Audio: ATI R6xx HDMI, Monitor: DELL S2409W OS: Ubuntu 10.10, Kernel: 2.6.37-999-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.13.1, Compiler: GCC 4.4.5, File-System: btrfs, Screen Resolution: 1920x1080 Btrfs compress,space_cache: Processor: AMD Opteron 2384 @ 2.70GHz (4 Cores), Motherboard: TYAN S2927/S2927-E, Chipset: nVidia MCP55, Memory: 4025MB, Disk: 64GB AGILITY-EX, Graphics: ATI/AMD Radeon HD 4870 (750/900MHz), Audio: ATI R6xx HDMI, Monitor: DELL S2409W OS: Ubuntu 10.10, Kernel: 2.6.37-999-generic (x86_64), Desktop: GNOME 2.32.0, Display Server: X Server 1.9.0, Display Driver: radeon 6.13.1, Compiler: GCC 4.4.5, File-System: btrfs, Screen Resolution: 1920x1080 Gzip Compression 2GB File Compression Seconds < Lower Is Better Btrfs Defaults ............. 22.50 |=========================================== Btrfs Compression .......... 22.40 |=========================================== Btrfs space_cache .......... 22.49 |=========================================== Btrfs compress,space_cache . 22.49 |=========================================== SQLite 3.7.3 12,500 INSERTs Seconds < Lower Is Better Btrfs Defaults ............. 309.95 |========================================== Btrfs Compression .......... 290.67 |======================================= Btrfs space_cache .......... 281.40 |====================================== Btrfs compress,space_cache . 284.82 |======================================= Apache Benchmark 2.2.17 Static Web Page Serving Requests Per Second > Higher Is Better Btrfs Defaults ............. 17513.37 |======================================= Btrfs Compression .......... 17752.80 |======================================== Btrfs space_cache .......... 17734.06 |======================================== Btrfs compress,space_cache . 17709.61 |======================================== PostgreSQL pgbench 9.0.1 TPC-B Transactions Per Second TPS > Higher Is Better Btrfs Defaults ............. 86.21 |========================================= Btrfs Compression .......... 80.04 |====================================== Btrfs space_cache .......... 91.44 |=========================================== Btrfs compress,space_cache . 82.52 |======================================= Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better Btrfs Defaults ............. 28.56 |=============== Btrfs Compression .......... 79.71 |=========================================== Btrfs space_cache .......... 29.96 |================ Btrfs compress,space_cache . 78.89 |=========================================== IOzone 3.347 8GB Write Performance MB/s > Higher Is Better Btrfs Defaults ............. 44.61 |=========== Btrfs Compression .......... 173.08 |========================================== Btrfs space_cache .......... 56.66 |============== Btrfs compress,space_cache . 164.25 |======================================== IOzone 3.347 8GB Read Performance MB/s > Higher Is Better Btrfs Defaults ............. 166.89 |========================= Btrfs Compression .......... 282.35 |========================================== Btrfs space_cache .......... 191.97 |============================= Btrfs compress,space_cache . 220.28 |================================= Dbench 4.0 1 Clients MB/s > Higher Is Better Btrfs Defaults ............. 46.11 |================================= Btrfs Compression .......... 57.82 |========================================= Btrfs space_cache .......... 45.08 |================================ Btrfs compress,space_cache . 60.54 |=========================================== Dbench 4.0 12 Clients MB/s > Higher Is Better Btrfs Defaults ............. 88.54 |======================= Btrfs Compression .......... 164.90 |========================================== Btrfs space_cache .......... 82.51 |===================== Btrfs compress,space_cache . 153.52 |======================================= FS-Mark 3.3 1000 Files, 1MB Size Files/s > Higher Is Better Btrfs Defaults ............. 20.72 |============ Btrfs Compression .......... 73.88 |=========================================== Btrfs space_cache .......... 23.00 |============= Btrfs compress,space_cache . 68.13 |======================================== Flexible IO Tester 1.21 Intel IOMeter File Server Access Pattern Seconds (Run Time) < Lower Is Better Btrfs Defaults ............. 101.80 |========================================== Btrfs Compression .......... 87.81 |==================================== Btrfs space_cache .......... 96.94 |======================================== Btrfs compress,space_cache . 80.13 |================================= Threaded I/O Tester 0.3.3 64MB Random Read - 32 Threads MB/s > Higher Is Better Btrfs Defaults ............. 5576.67 |========================================= Btrfs Compression .......... 5554.37 |========================================= Btrfs space_cache .......... 5420.63 |======================================== Btrfs compress,space_cache . 5507.71 |======================================== Threaded I/O Tester 0.3.3 64MB Random Write - 32 Threads MB/s > Higher Is Better Btrfs Defaults ............. 16.24 |========= Btrfs Compression .......... 73.74 |=========================================== Btrfs space_cache .......... 20.91 |============ Btrfs compress,space_cache . 37.03 |====================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better Btrfs Defaults ............. 2241 |============================================ Btrfs Compression .......... 2159 |========================================== Btrfs space_cache .......... 2215 |=========================================== Btrfs compress,space_cache . 2215 |=========================================== AIO-Stress 0.21 Random Write MB/s > Higher Is Better Btrfs Defaults ............. 28.06 |===================== Btrfs Compression .......... 56.95 |=========================================== Btrfs space_cache .......... 48.28 |==================================== Btrfs compress,space_cache . 38.35 |============================= Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better Btrfs Defaults ............. 15.62 |===================================== Btrfs Compression .......... 18.11 |=========================================== Btrfs space_cache .......... 15.31 |==================================== Btrfs compress,space_cache . 18.21 |===========================================