kvm-302-centos7.4-writeback KVM testing on CentOS Linux 7 via the Phoronix Test Suite. kvm-302-centos7.4-writeback: Processor: 4 x Intel Core (Haswell) @ 2.60GHz (4 Cores), Motherboard: Red Hat KVM (0.5.1 BIOS), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 4096 MB RAM, Disk: 6GB, Network: Red Hat Virtio device OS: CentOS Linux 7, Kernel: 3.10.0-693.5.2.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, System Layer: KVM kvm-302-centos7.4-cachenone: Processor: 4 x Intel Core (Haswell) @ 2.60GHz (4 Cores), Motherboard: Red Hat KVM (0.5.1 BIOS), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 4096 MB RAM, Disk: 6GB, Network: Red Hat Virtio device OS: CentOS Linux 7, Kernel: 3.10.0-693.5.2.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, System Layer: KVM kvm-302-centos7.5-writeback: Processor: 4 x Intel Core (Haswell) @ 2.60GHz (4 Cores), Motherboard: Red Hat KVM (0.5.1 BIOS), Chipset: Intel 440FX- 82441FX PMC, Memory: 1 x 4096 MB RAM, Disk: 6GB, Network: Red Hat Virtio device OS: CentOS Linux 7, Kernel: 3.10.0-862.11.6.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: ext4, System Layer: KVM SQLite 3.22 Timed SQLite Insertions Seconds < Lower Is Better kvm-302-centos7.4-writeback . 9.31 |=== kvm-302-centos7.4-cachenone . 122.90 |========================================= kvm-302-centos7.5-writeback . 9.74 |=== Threaded I/O Tester 20170503 Test: Read - Size Per Thread: 256MB - Thread Count: 4 MB/s > Higher Is Better kvm-302-centos7.4-writeback . 15349.50 |======================================= kvm-302-centos7.4-cachenone . 15491.26 |======================================= kvm-302-centos7.5-writeback . 12971.62 |================================= Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 256MB - Thread Count: 4 MB/s > Higher Is Better kvm-302-centos7.4-writeback . 17.23 |============================== kvm-302-centos7.4-cachenone . 24.13 |========================================== kvm-302-centos7.5-writeback . 18.45 |================================ Threaded I/O Tester 20170503 Test: Random Read - Size Per Thread: 256MB - Thread Count: 4 MB/s > Higher Is Better kvm-302-centos7.4-writeback . 397564.98 |====================================== kvm-302-centos7.4-cachenone . 397841.23 |====================================== kvm-302-centos7.5-writeback . 353916.94 |================================== Threaded I/O Tester 20170503 Test: Random Write - Size Per Thread: 256MB - Thread Count: 4 MB/s > Higher Is Better kvm-302-centos7.4-writeback . 1471.05 |============================= kvm-302-centos7.4-cachenone . 2012.26 |======================================== kvm-302-centos7.5-writeback . 1700.83 |================================== Unpacking The Linux Kernel linux-4.15.tar.xz Seconds < Lower Is Better kvm-302-centos7.4-writeback . 13.18 |========================================== kvm-302-centos7.4-cachenone . 10.55 |================================== kvm-302-centos7.5-writeback . 12.25 |======================================= PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better kvm-302-centos7.4-writeback . 3676 |=========================================== kvm-302-centos7.4-cachenone . 3572 |========================================== kvm-302-centos7.5-writeback . 3125 |===================================== Gzip Compression Linux Source Tree Archiving To .tar.gz Seconds < Lower Is Better kvm-302-centos7.4-writeback . 62.20 |========================================== kvm-302-centos7.4-cachenone . 61.80 |========================================== kvm-302-centos7.5-writeback . 54.99 |===================================== OpenSSL 1.1.0f RSA 4096-bit Performance Signs Per Second > Higher Is Better kvm-302-centos7.4-writeback . 469.97 |========================================= kvm-302-centos7.4-cachenone . 472.47 |========================================= kvm-302-centos7.5-writeback . 466.60 |======================================== PostgreSQL pgbench 10.3 Scaling: On-Disk - Test: Normal Load - Mode: Read Only TPS > Higher Is Better kvm-302-centos7.4-writeback . 53048.24 |======================================= kvm-302-centos7.4-cachenone . 52637.19 |======================================= kvm-302-centos7.5-writeback . 47089.92 |=================================== PostgreSQL pgbench 10.3 Scaling: On-Disk - Test: Normal Load - Mode: Read Write TPS > Higher Is Better kvm-302-centos7.4-writeback . 1395.92 |======================================== kvm-302-centos7.4-cachenone . 1408.93 |======================================== kvm-302-centos7.5-writeback . 1376.07 |======================================= PostgreSQL pgbench 10.3 Scaling: Mostly RAM - Test: Normal Load - Mode: Read Only TPS > Higher Is Better kvm-302-centos7.4-writeback . 54021.71 |======================================= kvm-302-centos7.4-cachenone . 52942.16 |====================================== kvm-302-centos7.5-writeback . 48000.55 |=================================== PostgreSQL pgbench 10.3 Scaling: Buffer Test - Test: Normal Load - Mode: Read Only TPS > Higher Is Better kvm-302-centos7.4-writeback . 39991.49 |======================================= kvm-302-centos7.4-cachenone . 40082.21 |======================================= kvm-302-centos7.5-writeback . 36446.10 |=================================== PostgreSQL pgbench 10.3 Scaling: Mostly RAM - Test: Normal Load - Mode: Read Write TPS > Higher Is Better kvm-302-centos7.4-writeback . 2692.24 |======================================= kvm-302-centos7.4-cachenone . 2745.24 |======================================== kvm-302-centos7.5-writeback . 2613.06 |====================================== PostgreSQL pgbench 10.3 Scaling: Buffer Test - Test: Normal Load - Mode: Read Write TPS > Higher Is Better kvm-302-centos7.4-writeback . 4874.17 |======================================== kvm-302-centos7.4-cachenone . 4868.66 |======================================== kvm-302-centos7.5-writeback . 4375.45 |==================================== Redis 4.0.8 Test: LPOP Requests Per Second > Higher Is Better kvm-302-centos7.4-writeback . 1325437.17 |===================================== kvm-302-centos7.4-cachenone . 858763.02 |======================== kvm-302-centos7.5-writeback . 888802.48 |========================= Redis 4.0.8 Test: SADD Requests Per Second > Higher Is Better kvm-302-centos7.4-writeback . 1087648.58 |==================================== kvm-302-centos7.4-cachenone . 1043483.64 |================================== kvm-302-centos7.5-writeback . 1122074.04 |===================================== Redis 4.0.8 Test: LPUSH Requests Per Second > Higher Is Better kvm-302-centos7.4-writeback . 846279.48 |====================================== kvm-302-centos7.4-cachenone . 837773.04 |====================================== kvm-302-centos7.5-writeback . 834080.15 |===================================== Redis 4.0.8 Test: GET Requests Per Second > Higher Is Better kvm-302-centos7.4-writeback . 1272275.29 |===================================== kvm-302-centos7.4-cachenone . 1198284.58 |=================================== kvm-302-centos7.5-writeback . 1269307.75 |===================================== Redis 4.0.8 Test: SET Requests Per Second > Higher Is Better kvm-302-centos7.4-writeback . 965586.35 |==================================== kvm-302-centos7.4-cachenone . 969413.54 |==================================== kvm-302-centos7.5-writeback . 1004379.98 |===================================== Sysbench 2018-07-28 Test: Memory Events Per Second > Higher Is Better kvm-302-centos7.4-writeback . 6999988.01 |================================ kvm-302-centos7.4-cachenone . 7126599.02 |================================= kvm-302-centos7.5-writeback . 8037890.41 |===================================== Sysbench 2018-07-28 Test: CPU Events Per Second > Higher Is Better kvm-302-centos7.4-writeback . 3113.82 |======================================== kvm-302-centos7.4-cachenone . 3125.16 |======================================== kvm-302-centos7.5-writeback . 3119.83 |======================================== Apache Benchmark 2.4.29 Static Web Page Serving Requests Per Second > Higher Is Better kvm-302-centos7.4-writeback . 21062.87 |======================================= kvm-302-centos7.4-cachenone . 20953.04 |======================================= kvm-302-centos7.5-writeback . 17202.36 |================================ PHPBench 0.8.1 PHP Benchmark Suite Score > Higher Is Better kvm-302-centos7.4-writeback . 358673 |========================================= kvm-302-centos7.4-cachenone . 356792 |========================================= kvm-302-centos7.5-writeback . 358849 |=========================================