bmark2 KVM testing on NixOS 21.05 via the Phoronix Test Suite. olympus_ceph: Processor: AMD EPYC 7763 64-Core (126 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 378GB, Disk: 34GB QEMU HDD, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: NixOS 21.05, Kernel: 5.10.66 (x86_64), Compiler: GCC 10.3.0, File-System: ext4, Screen Resolution: 1024x768, System Layer: KVM MariaDB 10.6.4 Clients: 64 Queries Per Second > Higher Is Better olympus_ceph . 543 |=========================================================== MariaDB 10.6.4 Clients: 32 Queries Per Second > Higher Is Better olympus_ceph . 801 |=========================================================== MariaDB 10.6.4 Clients: 16 Queries Per Second > Higher Is Better olympus_ceph . 950 |=========================================================== MariaDB 10.6.4 Clients: 8 Queries Per Second > Higher Is Better olympus_ceph . 1080 |========================================================== MariaDB 10.6.4 Clients: 1 Queries Per Second > Higher Is Better olympus_ceph . 2069 |==========================================================