zfs-raid KVM testing on Ubuntu 24.04 via the Phoronix Test Suite. 2 x 69GB QEMU HDD: Processor: 2 x AMD EPYC 9654 96-Core (8 Cores), Motherboard: QEMU Standard PC (Q35 + ICH9 2009) (rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org BIOS), Chipset: Intel 82G33/G31/P35/P31 + ICH9, Memory: 1 x 16GB RAM QEMU, Disk: 2 x 69GB QEMU HDD, Graphics: bochs-drmdrmfb, Audio: Intel 82801I, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 24.04, Kernel: 6.8.0-51-generic (x86_64), Compiler: GCC 13.3.0, File-System: ext4, Screen Resolution: 1280x800, System Layer: KVM SQLite 3.41.2 Threads / Copies: 1 Seconds < Lower Is Better 2 x 69GB QEMU HDD . 4.682 |==================================================== SQLite 3.41.2 Threads / Copies: 2 Seconds < Lower Is Better 2 x 69GB QEMU HDD . 6.127 |==================================================== SQLite 3.41.2 Threads / Copies: 4 Seconds < Lower Is Better 2 x 69GB QEMU HDD . 7.761 |==================================================== SQLite 3.41.2 Threads / Copies: 8 Seconds < Lower Is Better 2 x 69GB QEMU HDD . 9.520 |==================================================== Flexible IO Tester 3.36 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 0.285 |==================================================== Flexible IO Tester 3.36 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better 2 x 69GB QEMU HDD . 291000 |=================================================== Flexible IO Tester 3.36 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 0.284 |==================================================== Flexible IO Tester 3.36 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better 2 x 69GB QEMU HDD . 290667 |=================================================== Flexible IO Tester 3.36 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 0.376 |==================================================== Flexible IO Tester 3.36 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better 2 x 69GB QEMU HDD . 385000 |=================================================== Flexible IO Tester 3.36 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 0.374 |==================================================== Flexible IO Tester 3.36 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better 2 x 69GB QEMU HDD . 382667 |=================================================== Flexible IO Tester 3.36 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 0.524 |==================================================== Flexible IO Tester 3.36 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better 2 x 69GB QEMU HDD . 536667 |=================================================== Flexible IO Tester 3.36 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 0.525 |==================================================== Flexible IO Tester 3.36 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better 2 x 69GB QEMU HDD . 537000 |=================================================== Flexible IO Tester 3.36 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 0.449 |==================================================== Flexible IO Tester 3.36 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory IOPS > Higher Is Better 2 x 69GB QEMU HDD . 460000 |=================================================== Flexible IO Tester 3.36 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 0.447 |==================================================== Flexible IO Tester 3.36 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better 2 x 69GB QEMU HDD . 458333 |=================================================== FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better 2 x 69GB QEMU HDD . 639.6 |==================================================== FS-Mark 3.3 Test: 5000 Files, 1MB Size, 4 Threads Files/s > Higher Is Better FS-Mark 3.3 Test: 4000 Files, 32 Sub Dirs, 1MB Size Files/s > Higher Is Better 2 x 69GB QEMU HDD . 622.6 |==================================================== FS-Mark 3.3 Test: 1000 Files, 1MB Size, No Sync/FSync Files/s > Higher Is Better Dbench 4.0 12 Clients MB/s > Higher Is Better 2 x 69GB QEMU HDD . 2747.30 |================================================== Dbench 4.0 1 Clients MB/s > Higher Is Better 2 x 69GB QEMU HDD . 519.25 |=================================================== IOR 3.3.0 Block Size: 2MB - Disk Target: / MB/s > Higher Is Better 2 x 69GB QEMU HDD . 799.35 |=================================================== IOR 3.3.0 Block Size: 4MB - Disk Target: / MB/s > Higher Is Better 2 x 69GB QEMU HDD . 855.21 |=================================================== IOR 3.3.0 Block Size: 8MB - Disk Target: / MB/s > Higher Is Better 2 x 69GB QEMU HDD . 901.67 |=================================================== IOR 3.3.0 Block Size: 16MB - Disk Target: / MB/s > Higher Is Better 2 x 69GB QEMU HDD . 955.12 |=================================================== IOR 3.3.0 Block Size: 32MB - Disk Target: / MB/s > Higher Is Better 2 x 69GB QEMU HDD . 921.78 |=================================================== IOR 3.3.0 Block Size: 64MB - Disk Target: / MB/s > Higher Is Better 2 x 69GB QEMU HDD . 873.56 |=================================================== IOR 3.3.0 Block Size: 256MB - Disk Target: / MB/s > Higher Is Better 2 x 69GB QEMU HDD . 919.15 |=================================================== IOR 3.3.0 Block Size: 512MB - Disk Target: / MB/s > Higher Is Better 2 x 69GB QEMU HDD . 1054.08 |================================================== IOR 3.3.0 Block Size: 1024MB - Disk Target: / MB/s > Higher Is Better 2 x 69GB QEMU HDD . 1126.82 |================================================== IOR 3.3.0 Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 788.71 |=================================================== IOR 3.3.0 Block Size: 4MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 844.35 |=================================================== IOR 3.3.0 Block Size: 8MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 911.41 |=================================================== IOR 3.3.0 Block Size: 16MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 971.22 |=================================================== IOR 3.3.0 Block Size: 32MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 927.32 |=================================================== IOR 3.3.0 Block Size: 64MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 888.41 |=================================================== IOR 3.3.0 Block Size: 256MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 916.46 |=================================================== IOR 3.3.0 Block Size: 512MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 1052.65 |================================================== IOR 3.3.0 Block Size: 1024MB - Disk Target: Default Test Directory MB/s > Higher Is Better 2 x 69GB QEMU HDD . 1130.98 |================================================== IOzone 3.465 8GB Write Performance MB/s > Higher Is Better Compile Bench 0.6 Test: Compile MB/s > Higher Is Better Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better 2 x 69GB QEMU HDD . 3989 |=====================================================