zfs-sam KVM QEMU testing on Debian 8.6 via the Phoronix Test Suite. zfs-sam: Processor: 4 x QEMU Virtual 2.5+ @ 2.93GHz (4 Cores), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 4096 MB RAM QEMU, Disk: 96GB, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device OS: Debian 8.6, Kernel: 4.7.5-xenU (x86_64), Compiler: GCC 4.9.2 + Clang 3.5.0-10, File-System: zfs, System Layer: KVM QEMU AIO-Stress 0.21 Random Write MB/s > Higher Is Better zfs-sam . 758.32 |============================================================= SQLite 3.8.10.2 Timed SQLite Insertions Seconds < Lower Is Better zfs-sam . 12.82 |============================================================== FS-Mark 3.3 1000 Files, 1MB Size Files/s > Higher Is Better zfs-sam . 34.90 |============================================================== Dbench 4.0 12 Clients MB/s > Higher Is Better zfs-sam . 365.16 |============================================================= Dbench 4.0 48 Clients MB/s > Higher Is Better zfs-sam . 375.29 |============================================================= Dbench 4.0 128 Clients MB/s > Higher Is Better zfs-sam . 536.44 |============================================================= Dbench 4.0 1 Clients MB/s > Higher Is Better zfs-sam . 290.20 |============================================================= IOzone 3.405 8GB Read Performance MB/s > Higher Is Better zfs-sam . 1729.69 |============================================================ IOzone 3.405 8GB Write Performance MB/s > Higher Is Better zfs-sam . 462.54 |============================================================= Threaded I/O Tester 0.3.3 64MB Random Read - 32 Threads MB/s > Higher Is Better zfs-sam . 2039.36 |============================================================ Threaded I/O Tester 0.3.3 64MB Random Write - 32 Threads MB/s > Higher Is Better zfs-sam . 7.51 |=============================================================== Compile Bench 0.6 Test: Compile MB/s > Higher Is Better zfs-sam . 1023.91 |============================================================ Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better zfs-sam . 120.83 |============================================================= Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better zfs-sam . 402.27 |============================================================= Unpacking The Linux Kernel linux-2.6.32.tar.bz2 Seconds < Lower Is Better zfs-sam . 11.20 |============================================================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better zfs-sam . 3288 |=============================================================== Gzip Compression 2GB File Compression Seconds < Lower Is Better zfs-sam . 16.21 |============================================================== Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better zfs-sam . 16227.09 |===========================================================