5 月 282018
 

NFS协议挂载NAS服务的性能调优

本地最小化镜像安装后的默认内核参数配置

[root@localhost ~]# sysctl -p
net.ipv4.conf.all.arp_notify = 1
[root@localhost ~]#
[root@localhost ~]# cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)
[root@localhost ~]#

阿里云标准ECS镜像的默认内核参数配置

[root@oms ~]# sysctl -p
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
vm.swappiness = 0
net.ipv4.neigh.default.gc_stale_time = 120
net.ipv4.conf.all.rp_filter = 0
net.ipv4.conf.default.rp_filter = 0
net.ipv4.conf.default.arp_announce = 2
net.ipv4.conf.lo.arp_announce = 2
net.ipv4.conf.all.arp_announce = 2
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_max_syn_backlog = 1024
net.ipv4.tcp_synack_retries = 2
kernel.sysrq = 1
[root@oms ~]#
[root@oms ~]# cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)
[root@oms ~]#

NSF协议调优参数配置
cat /proc/sys/sunrpc/tcp_slot_table_entries

修改
echo “options sunrpc tcp_slot_table_entries=128” >> /etc/modprobe.d/sunrpc.conf
echo “options sunrpc tcp_max_slot_table_entries=128” >> /etc/modprobe.d/sunrpc.conf
sysctl -w sunrpc.tcp_slot_table_entries=128

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