bmark3 KVM testing on NixOS 21.05 via the Phoronix Test Suite. olympus_ceph_virtio_sync: 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 Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 240 |=============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 61400 |============================================= Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 1640 |============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 52500 |============================================= Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 241 |=============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 61767 |============================================= Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 203 |=============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 51800 |============================================= Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 42.4 |============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 10600 |============================================= Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 2121 |============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 4239 |============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 1533 |============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 49033 |============================================= Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 1220 |============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 39033 |============================================= Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 207 |=============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 52700 |============================================= Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 307 |=============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 9831 |============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 41.2 |============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 10567 |============================================= Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 442 |=============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 113077 |============================================ Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 2089 |============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 4174 |============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 1938 |============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 3873 |============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 1286 |============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 41133 |============================================= Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 875 |=============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 1746 |============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 344 |=============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 10667 |============================================= Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 603 |=============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 19333 |============================================= Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 414 |=============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 106000 |============================================ Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 1926 |============================================== Flexible IO Tester 3.25 Type: Random Read - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 3848 |============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 884 |=============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 1764 |============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 645 |=============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 1286 |============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 571 |=============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 18267 |============================================= Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 41.2 |============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 10533 |============================================= Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 620 |=============================================== Flexible IO Tester 3.25 Type: Random Write - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 1237 |============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 416 |=============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 13300 |============================================= Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 42.1 |============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 10767 |============================================= Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 540 |=============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 138333 |============================================ Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 75.7 |============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 19400 |============================================= Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 1992 |============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 3979 |============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 395 |=============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 12633 |============================================= Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 1025 |============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 32800 |============================================= Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 523 |=============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 134000 |============================================ Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 201 |=============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 6427 |============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 79.1 |============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 20140 |============================================= Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 578 |=============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 148000 |============================================ Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 2044 |============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 4085 |============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 1923 |============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 3841 |============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 1057 |============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 33467 |============================================= Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 644 |=============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: No - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 1284 |============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 211 |=============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 6738 |============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 599 |=============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 19133 |============================================= Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 580 |=============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 4KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 148600 |============================================ Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 1858 |============================================== Flexible IO Tester 3.25 Type: Sequential Read - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 3712 |============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 658 |=============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 1312 |============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 654 |=============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: No - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 1305 |============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 32KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 585 |=============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 32KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 18727 |============================================= Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 512KB - Disk Target: /mnt MB/s > Higher Is Better olympus_ceph_virtio_sync . 643 |=============================================== Flexible IO Tester 3.25 Type: Sequential Write - Engine: IO_uring - Buffered: Yes - Direct: Yes - Block Size: 512KB - Disk Target: /mnt IOPS > Higher Is Better olympus_ceph_virtio_sync . 1282 |==============================================