truenas-20210502fio KVM testing on Ubuntu 20.04 via the Phoronix Test Suite. ,,"iSCSI Sync L2ARC No ZIL","iSCSI Sync L2ARC No ZIL Again","iSCSI Sync L2ARC No ZIL Retry","iSCSI Sync No L2ARC No ZIL","iSCSI Sync ZIL","iSCSI Sync ZIL Take 2" Processor,,Common KVM (2 Cores),Common KVM (2 Cores),Common KVM (2 Cores),Common KVM (2 Cores),Common KVM (2 Cores),Common KVM (2 Cores) Motherboard,,QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS),QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS),QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS),QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS),QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS),QEMU Standard PC (i440FX + PIIX 1996) (rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org BIOS) Chipset,,Intel 440FX 82441FX PMC,Intel 440FX 82441FX PMC,Intel 440FX 82441FX PMC,Intel 440FX 82441FX PMC,Intel 440FX 82441FX PMC,Intel 440FX 82441FX PMC Memory,,2048MB,2048MB,2048MB,2048MB,2048MB,2048MB Disk,,34GB QEMU HDD + 3427GB iSCSI Disk,34GB QEMU HDD + 3427GB iSCSI Disk,34GB QEMU HDD + 3427GB iSCSI Disk,34GB QEMU HDD + 3427GB iSCSI Disk,34GB QEMU HDD + 3427GB iSCSI Disk,34GB QEMU HDD + 3427GB iSCSI Disk Graphics,,bochs-drmdrmfb,bochs-drmdrmfb,bochs-drmdrmfb,bochs-drmdrmfb,bochs-drmdrmfb,bochs-drmdrmfb Monitor,,QEMU Monitor,QEMU Monitor,QEMU Monitor,QEMU Monitor,QEMU Monitor,QEMU Monitor Network,,2 x Red Hat Virtio device,2 x Red Hat Virtio device,2 x Red Hat Virtio device,2 x Red Hat Virtio device,2 x Red Hat Virtio device,2 x Red Hat Virtio device OS,,Ubuntu 20.04,Ubuntu 20.04,Ubuntu 20.04,Ubuntu 20.04,Ubuntu 20.04,Ubuntu 20.04 Kernel,,5.4.0-72-generic (x86_64),5.4.0-72-generic (x86_64),5.4.0-72-generic (x86_64),5.4.0-72-generic (x86_64),5.4.0-72-generic (x86_64),5.4.0-72-generic (x86_64) Compiler,,GCC 9.3.0,GCC 9.3.0,GCC 9.3.0,GCC 9.3.0,GCC 9.3.0,GCC 9.3.0 File-System,,ext4,ext4,ext4,ext4,ext4,ext4 Screen Resolution,,1024x768,1024x768,1024x768,1024x768,1024x768,1024x768 System Layer,,KVM,KVM,KVM,KVM,KVM,KVM ,,"iSCSI Sync L2ARC No ZIL","iSCSI Sync L2ARC No ZIL Again","iSCSI Sync L2ARC No ZIL Retry","iSCSI Sync No L2ARC No ZIL","iSCSI Sync ZIL","iSCSI Sync ZIL Take 2" "Flexible IO Tester - Type: Random Read - Engine: Sync - Buffered: Yes - Direct: No - Block Size: 1MB - Disk Target: Default Test Directory (IOPS)",HIB,191,,,,, "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory (IOPS)",HIB,,1,3,7,112, "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory (IOPS)",HIB,,25867,,25800,25133,22233 "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory (IOPS)",HIB,,13533,,13933,13700, "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory (IOPS)",HIB,,3657,,,2588, "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory (IOPS)",HIB,,836,,100,275, "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory (IOPS)",HIB,,19000,,1902,19200,19167 "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory (IOPS)",HIB,,14333,,1174,12767, "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory (IOPS)",HIB,,7343,,,4205, "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory (IOPS)",HIB,,9,,274,7, "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory (IOPS)",HIB,,33667,,35933,37067,36533 "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory (IOPS)",HIB,,12086,,14500,15533, "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory (IOPS)",HIB,,379,,,78, "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory (IOPS)",HIB,,556,,95,271, "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory (IOPS)",HIB,,29500,,2509,20233,21033 "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory (IOPS)",HIB,,22367,,1460,12700, "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory (IOPS)",HIB,,7134,,,3962, "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: Default Test Directory (IOPS)",HIB,,,,7234,, "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: Default Test Directory (IOPS)",HIB,,,,614,, "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: Default Test Directory (IOPS)",HIB,,,,1570,, "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: Default Test Directory (IOPS)",HIB,,,,858,, "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory (IOPS)",HIB,,,,,,3 "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory (IOPS)",HIB,,,,,,137 "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory (IOPS)",HIB,,,,,,4 "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory (IOPS)",HIB,,,,,,136 "Flexible IO Tester - Type: Random Read - Engine: Sync - Buffered: Yes - Direct: No - Block Size: 1MB - Disk Target: Default Test Directory (MB/s)",HIB,191,,,,, "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory (MB/s)",HIB,,3.096,4.616,9.494,115.2, "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory (MB/s)",HIB,,101,,101,98.1,86.5 "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory (MB/s)",HIB,,212,,218,220, "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory (MB/s)",HIB,,229,,,162, "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory (MB/s)",HIB,,839,,104,279, "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory (MB/s)",HIB,,74.4,,7.625,75.0,74.6 "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory (MB/s)",HIB,,223,,18.4,200, "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory (MB/s)",HIB,,459,,,263, "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory (MB/s)",HIB,,12.494,,277.104,9.522, "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory (MB/s)",HIB,,132,,140,145,143 "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory (MB/s)",HIB,,189,,227,243, "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory (MB/s)",HIB,,23.9,,,5.220, "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 1MB - Disk Target: Default Test Directory (MB/s)",HIB,,560,,99.0,274, "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory (MB/s)",HIB,,115,,9.81,80.4,82.2 "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 16KB - Disk Target: Default Test Directory (MB/s)",HIB,,349,,22.9,199, "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory (MB/s)",HIB,,446,,,248, "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: Default Test Directory (MB/s)",HIB,,,,226,, "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: Default Test Directory (MB/s)",HIB,,,,19.3,, "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: Default Test Directory (MB/s)",HIB,,,,49.2,, "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: Default Test Directory (MB/s)",HIB,,,,26.9,, "Flexible IO Tester - Type: Random Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory (MB/s)",HIB,,,,,,9.526 "Flexible IO Tester - Type: Random Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory (MB/s)",HIB,,,,,,280 "Flexible IO Tester - Type: Sequential Read - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory (MB/s)",HIB,,,,,,12.26 "Flexible IO Tester - Type: Sequential Write - Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory (MB/s)",HIB,,,,,,279