AWSIOzone KVM testing on Debian 10 via the Phoronix Test Suite. Amazon Elastic Block Store: Processor: Intel Xeon Platinum 8124M (1 Core / 2 Threads), Motherboard: Amazon EC2 c5.large (1.0 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 4096MB, Disk: 644GB Amazon Elastic Block Store, Network: Amazon Elastic OS: Debian 10, Kernel: 4.19.0-16-cloud-amd64 (x86_64), Compiler: GCC 8.3.0, File-System: ext4, System Layer: KVM IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance MB/s > Higher Is Better Amazon Elastic Block Store . 4071.97 |========================================= IOzone 3.465 Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance MB/s > Higher Is Better Amazon Elastic Block Store . 1.83 |============================================