openGauss相关概念18

主机BIOS和OS部分调优
主机BIOS参数设置

BIOS>Advanced>MISC Config，配置Support Smmu为Disabled
BIOS>Advanced>MISC Config，配置CPU Prefetching Configuration为Disabled
BIOS>Advanced>Memory Config，配置Die Interleaving为Disable
BIOS>Advanced>Performance Config，配置Power Policy为Performance
操作系统优化

修改操作系统内核PAGESIZE为64KB（默认值）

关闭irqbalance

systemctl stop irqbalance
调整numa_balance

echo 0 > /proc/sys/kernel/numa_balancing
调整透明大页

echo 'never' > /sys/kernel/mm/transparent_hugepage/enabled
echo 'never' > /sys/kernel/mm/transparent_hugepage/defrag

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