zfs-fio-sync
KVM testing on Ubuntu 20.04 via the Phoronix Test Suite.


volblocksize=64k: 

	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


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
volblocksize=64k . 423 |=======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory
IOPS > Higher Is Better
volblocksize=64k . 420 |=======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
volblocksize=64k . 5.952 |=====================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
volblocksize=64k . 1485 |======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 8KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
volblocksize=64k . 10.5 |======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 8KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
volblocksize=64k . 1345 |======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
volblocksize=64k . 15.0 |======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
volblocksize=64k . 963 |=======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
volblocksize=64k . 28.7 |======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
volblocksize=64k . 918 |=======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
volblocksize=64k . 84.8 |======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
volblocksize=64k . 1353 |======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 128KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
volblocksize=64k . 137 |=======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 128KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
volblocksize=64k . 1096 |======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 256KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
volblocksize=64k . 219 |=======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 256KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
volblocksize=64k . 872 |=======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
volblocksize=64k . 329 |=======================================================


Flexible IO Tester 3.25
Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
volblocksize=64k . 654 |=======================================================