pgbench-kernel-param-test
KVM testing on CentOS Linux 7 via the Phoronix Test Suite.


standard kernel params: 

	Processor: Common KVM @ 2.20GHz (8 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.11.0-0-g63451fca13-prebuilt.qemu-project.org BIOS), Memory: 1 x 8196 MB RAM QEMU, Disk: 21GB QEMU HDD, Graphics: bochsdrmfb

	OS: CentOS Linux 7, Kernel: 3.10.0-862.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM

tuned kernel params: 

	Processor: Common KVM @ 2.20GHz (8 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.11.0-0-g63451fca13-prebuilt.qemu-project.org BIOS), Memory: 1 x 8196 MB RAM QEMU, Disk: 21GB QEMU HDD, Graphics: bochsdrmfb

	OS: CentOS Linux 7, Kernel: 3.10.0-862.14.4.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768, System Layer: KVM


PostgreSQL pgbench 10.3
Scaling: On-Disk - Test: Normal Load - Mode: Read Only
TPS > Higher Is Better
standard kernel params . 85272 |===============================================
tuned kernel params .... 85682 |===============================================


PostgreSQL pgbench 10.3
Scaling: On-Disk - Test: Normal Load - Mode: Read Write
TPS > Higher Is Better
standard kernel params . 1491 |================================================
tuned kernel params .... 1470 |===============================================


PostgreSQL pgbench 10.3
Scaling: On-Disk - Test: Single Thread - Mode: Read Only
TPS > Higher Is Better
standard kernel params . 8609 |================================================
tuned kernel params .... 8545 |================================================


PostgreSQL pgbench 10.3
Scaling: Mostly RAM - Test: Normal Load - Mode: Read Only
TPS > Higher Is Better
standard kernel params . 82697 |===============================================
tuned kernel params .... 83485 |===============================================


PostgreSQL pgbench 10.3
Scaling: On-Disk - Test: Single Thread - Mode: Read Write
TPS > Higher Is Better
standard kernel params . 165 |================================================
tuned kernel params .... 168 |=================================================


PostgreSQL pgbench 10.3
Scaling: Buffer Test - Test: Normal Load - Mode: Read Only
TPS > Higher Is Better
standard kernel params . 60799 |===============================================
tuned kernel params .... 59662 |==============================================


PostgreSQL pgbench 10.3
Scaling: Mostly RAM - Test: Normal Load - Mode: Read Write
TPS > Higher Is Better
standard kernel params . 3254 |================================================
tuned kernel params .... 3253 |================================================


PostgreSQL pgbench 10.3
Scaling: Buffer Test - Test: Normal Load - Mode: Read Write
TPS > Higher Is Better
standard kernel params . 4099 |================================================
tuned kernel params .... 4080 |================================================


PostgreSQL pgbench 10.3
Scaling: Mostly RAM - Test: Single Thread - Mode: Read Only
TPS > Higher Is Better
standard kernel params . 7336 |==========================================
tuned kernel params .... 8471 |================================================


PostgreSQL pgbench 10.3
Scaling: On-Disk - Test: Heavy Contention - Mode: Read Only
TPS > Higher Is Better
standard kernel params . 90969 |===============================================
tuned kernel params .... 90408 |===============================================


PostgreSQL pgbench 10.3
Scaling: Buffer Test - Test: Single Thread - Mode: Read Only
TPS > Higher Is Better
standard kernel params . 6473 |==============================================
tuned kernel params .... 6744 |================================================


PostgreSQL pgbench 10.3
Scaling: Mostly RAM - Test: Single Thread - Mode: Read Write
TPS > Higher Is Better
standard kernel params . 284 |===============================================
tuned kernel params .... 297 |=================================================


PostgreSQL pgbench 10.3
Scaling: On-Disk - Test: Heavy Contention - Mode: Read Write
TPS > Higher Is Better
standard kernel params . 1531 |================================================
tuned kernel params .... 1529 |================================================


PostgreSQL pgbench 10.3
Scaling: Buffer Test - Test: Single Thread - Mode: Read Write
TPS > Higher Is Better
standard kernel params . 444 |================================================
tuned kernel params .... 450 |=================================================


PostgreSQL pgbench 10.3
Scaling: Mostly RAM - Test: Heavy Contention - Mode: Read Only
TPS > Higher Is Better
standard kernel params . 89851 |===============================================
tuned kernel params .... 89589 |===============================================


PostgreSQL pgbench 10.3
Scaling: Buffer Test - Test: Heavy Contention - Mode: Read Only
TPS > Higher Is Better
standard kernel params . 64569 |===============================================
tuned kernel params .... 64792 |===============================================


PostgreSQL pgbench 10.3
Scaling: Mostly RAM - Test: Heavy Contention - Mode: Read Write
TPS > Higher Is Better
standard kernel params . 3170 |================================================
tuned kernel params .... 3195 |================================================


PostgreSQL pgbench 10.3
Scaling: Buffer Test - Test: Heavy Contention - Mode: Read Write
TPS > Higher Is Better
standard kernel params . 4452 |================================================
tuned kernel params .... 4403 |===============================================