truenas-20210502fio
KVM testing on Ubuntu 20.04 via the Phoronix Test Suite.


iSCSI Sync L2ARC No ZIL: 

	Processor: Common KVM (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 2048MB, Disk: 34GB QEMU HDD + 3427GB iSCSI Disk, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: 2 x 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

iSCSI Sync L2ARC No ZIL Again: 

	Processor: Common KVM (2 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 2048MB, Disk: 34GB QEMU HDD + 3427GB iSCSI Disk, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor, Network: 2 x 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 Read - Engine: Sync - Buffered: Yes - Direct: No - Block Size: 1MB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL . 191 |================================================


Flexible IO Tester 3.25
Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 1 |============================================


Flexible IO Tester 3.25
Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 25867 |========================================


Flexible IO Tester 3.25
Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 13533 |========================================


Flexible IO Tester 3.25
Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 3657 |=========================================


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
iSCSI Sync L2ARC No ZIL Again . 836 |==========================================


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
iSCSI Sync L2ARC No ZIL Again . 19000 |========================================


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
iSCSI Sync L2ARC No ZIL Again . 14333 |========================================


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
iSCSI Sync L2ARC No ZIL Again . 7343 |=========================================


Flexible IO Tester 3.25
Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 9 |============================================


Flexible IO Tester 3.25
Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 33667 |========================================


Flexible IO Tester 3.25
Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 12086 |========================================


Flexible IO Tester 3.25
Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 379 |==========================================


Flexible IO Tester 3.25
Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 556 |==========================================


Flexible IO Tester 3.25
Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 29500 |========================================


Flexible IO Tester 3.25
Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 22367 |========================================


Flexible IO Tester 3.25
Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory
IOPS > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 7134 |=========================================


Flexible IO Tester 3.25
Type: Random Read - Engine: Sync - Buffered: Yes - Direct: No - Block Size: 1MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL . 191 |================================================


Flexible IO Tester 3.25
Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 3.096 |========================================


Flexible IO Tester 3.25
Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 101 |==========================================


Flexible IO Tester 3.25
Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 212 |==========================================


Flexible IO Tester 3.25
Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 229 |==========================================


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
iSCSI Sync L2ARC No ZIL Again . 839 |==========================================


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
iSCSI Sync L2ARC No ZIL Again . 74.4 |=========================================


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
iSCSI Sync L2ARC No ZIL Again . 223 |==========================================


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
iSCSI Sync L2ARC No ZIL Again . 459 |==========================================


Flexible IO Tester 3.25
Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 12.49 |========================================


Flexible IO Tester 3.25
Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 132 |==========================================


Flexible IO Tester 3.25
Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 189 |==========================================


Flexible IO Tester 3.25
Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 23.9 |=========================================


Flexible IO Tester 3.25
Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 560 |==========================================


Flexible IO Tester 3.25
Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 115 |==========================================


Flexible IO Tester 3.25
Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 349 |==========================================


Flexible IO Tester 3.25
Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory
MB/s > Higher Is Better
iSCSI Sync L2ARC No ZIL Again . 446 |==========================================