机器硬件调优
grub参数
ipv6.disable=1 ipv6.autoconf=0 intel_pstate=disable nohz=off idle=poll intel_idle.max_cstate=0 processor.max_cstate=0 mce=ignore_ce nmi_watchdog=0 transparent_hugepage=never pcie_aspm.policy=performance audit=0 irqaffinity=0 nosoftlockup
grub2-mkconfig -o /boot/grub2/grub.cfg (查下具体grub.cfg文件在哪里,不同版本有区别)
关闭 SELinux
vim /etc/selinux/config 文件
将 SELINUX=enforcing 改为 SELINUX=disabled
tuned-adm profile network-latency
关闭网卡的中断聚合,降低网卡处理消息的延时
vim ifcfg-X
ETHTOOL_OPTS=“-C ${DEVICE} adaptive-rx off rx-usecs 0 rx-frames 0 tx-usecs 0 tx-frames 0 stats-block-usecs 0”