PostgreSQL_bench fix

VMware testing on Red Hat Enterprise Linux 7.4 PostgreSQL_bench fix

HTML result view exported from: https://openbenchmarking.org/result/1801171-AL-POSTGRESQ33.

PostgreSQL_bench fixProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelCompilerFile-SystemScreen ResolutionSystem LayerPostgreSQL_bench fixIntel Xeon E5-4650 v2 @ 2.40GHz (1 Core)Intel 440BXIntel 440BX/ZX/DX2048MB43GB Virtual diskVMware SVGA IIVMware VMXNET3Red Hat Enterprise Linux 7.43.10.0-693.11.6.el7.x86_64 (x86_64)GCC 4.8.5 20150623xfs1672x1254VMwareOpenBenchmarking.org

PostgreSQL_bench fixpgbench: On-Disk - Heavy Contention - Read WriteStandard ErrorStandard DeviationPostgreSQL_bench fix412.605.022.11%OpenBenchmarking.org

PostgreSQL pgbench

Scaling: On-Disk - Test: Heavy Contention - Mode: Read Write

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 10.0Scaling: On-Disk - Test: Heavy Contention - Mode: Read WritePostgreSQL_bench fix90180270360450SE +/- 5.02, N = 3412.601. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -fPIC -lpgport -shared

Phoronix Test Suite v10.8.4