rbd1btrfs1 RBD cluster of 3 Optiplex 9020 with 500GB 7200RPM dedicated drive with colocated journal. Ceph 0.80.5. Ubuntu 14.04. Single 1gbit network connection. TrendNET 8port. Test machine Optiplex 780 Intel Core 2 Quad Q9400, 8GB RAM. This run is with BTRFS on RBD with noatime. Not a fresh boot... rbd1btrfs1: Processor: Intel Core 2 Quad Q9400 @ 2.66GHz (4 Cores), Motherboard: Dell 0C27VV, Chipset: Intel 4 DRAM + ICH10DO, Memory: 4 x 2048 MB DDR3-1066MHz, Disk: 320GB Western Digital WD3200AAKS-7 + 80GB Western Digital WD800JD-75MS, Graphics: NVIDIA GeForce 9300 GE 256MB, Audio: Analog Devices AD1984A, Network: Intel 82567LM-3 Gigabit Connection OS: Ubuntu 14.04, Kernel: 3.13.0-32-generic (x86_64), Compiler: GCC 4.8.2, File-System: btrfs, Screen Resolution: 1680x1050 AIO-Stress 0.21 Test: Random Write MB/s > Higher Is Better rbd1btrfs1 . 82.13 |=========================================================== Flexible IO Tester 2.1.11 Test: Intel IOMeter File Server Access Pattern - Disk Target: Default Test Directory Seconds (Run Time) < Lower Is Better rbd1btrfs1 . 4034.19 |========================================================= FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better rbd1btrfs1 . 7.23 |============================================================ FS-Mark 3.3 Test: 5000 Files, 1MB Size, 4 Threads Files/s > Higher Is Better rbd1btrfs1 . 10.87 |=========================================================== FS-Mark 3.3 Test: 4000 Files, 32 Sub Dirs, 1MB Size Files/s > Higher Is Better rbd1btrfs1 . 7.18 |============================================================ FS-Mark 3.3 Test: 1000 Files, 1MB Size, No Sync/FSync Files/s > Higher Is Better rbd1btrfs1 . 922.97 |========================================================== Dbench 4.0 Client Count: 1 MB/s > Higher Is Better rbd1btrfs1 . 6.73 |============================================================ Dbench 4.0 Client Count: 6 MB/s > Higher Is Better rbd1btrfs1 . 23.57 |=========================================================== Dbench 4.0 Client Count: 128 MB/s > Higher Is Better rbd1btrfs1 . 100.63 |========================================================== IOzone 3.405 Record Size: 1MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better rbd1btrfs1 . 5204.45 |========================================================= IOzone 3.405 Record Size: 4Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better rbd1btrfs1 . 2564.17 |========================================================= IOzone 3.405 Record Size: 1MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better rbd1btrfs1 . 36.69 |=========================================================== IOzone 3.405 Record Size: 4Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better rbd1btrfs1 . 34.68 |=========================================================== IOzone 3.405 Record Size: 64Kb - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better rbd1btrfs1 . 4993.73 |========================================================= IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better rbd1btrfs1 . 4768.37 |========================================================= IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better rbd1btrfs1 . 2557.10 |========================================================= IOzone 3.405 Record Size: 64Kb - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better rbd1btrfs1 . 34.82 |=========================================================== IOzone 3.405 Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better rbd1btrfs1 . 38.28 |=========================================================== IOzone 3.405 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better rbd1btrfs1 . 36.23 |=========================================================== IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better rbd1btrfs1 . 4679.39 |========================================================= IOzone 3.405 Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better rbd1btrfs1 . 39.07 |=========================================================== Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 32MB - Thread Count: 4 MB/s > Higher Is Better rbd1btrfs1 . 0.18 |============================================================ Threaded I/O Tester 0.3.3 Test: Random Write - Size Per Thread: 128MB - Thread Count: 16 MB/s > Higher Is Better rbd1btrfs1 . 0.31 |============================================================ Compile Bench 0.6 Test: Compile MB/s > Higher Is Better rbd1btrfs1 . 143.21 |========================================================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better rbd1btrfs1 . 23.90 |=========================================================== Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better rbd1btrfs1 . 330.71 |========================================================== Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better rbd1btrfs1 . 20.33 |=========================================================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better rbd1btrfs1 . 1931 |============================================================