zfs-dbench KVM testing on Ubuntu 20.04 via the Phoronix Test Suite. volblocksize=8k: Processor: 2 x Intel Xeon Gold 5218R (4 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (0.0.0 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 16GB, Disk: 215GB QEMU HDD, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.4.0-72-generic (x86_64), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM Dbench 4.0 Client Count: 48 MB/s > Higher Is Better volblocksize=8k . 226.33 |=====================================================