pm2 input/output perfomance benchmarking iozone: Processor: 2 x Intel Xeon E5-2687W v4 (48 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 256GB, Disk: 275GB QEMU HDD, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: Red Hat Virtio device OS: Ubuntu 20.04, Kernel: 5.4.0-200-generic (x86_64), Vulkan: 1.1.182, Compiler: GCC 9.4.0, File-System: ext4, Screen Resolution: 1280x800, System Layer: KVM IOzone 3.465 Record Size: 2MB - File Size: 4GB - Disk Test: Write Performance MB/s > Higher Is Better iozone . 218.77 |============================================================== IOzone 3.465 Record Size: 2MB - File Size: 4GB - Disk Test: Read Performance MB/s > Higher Is Better iozone . 6033.14 |=============================================================