记长连接压测总结

目录

• 压测程序
• 服务器配置
• 单（压力）机多IP实现超过65535个TCP连接

目前尝试过netty和mqtt的长连接

压测程序

略

服务器配置

[root@Ceshi ~]$ ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
scheduling priority             (-e) 0
file size               (blocks, -f) unlimited
pending signals                 (-i) 127948
max locked memory       (kbytes, -l) 64
max memory size         (kbytes, -m) unlimited
open files                      (-n) 1024000
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
real-time priority              (-r) 0
stack size              (kbytes, -s) 8192
cpu time               (seconds, -t) unlimited
max user processes              (-u) unlimited
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

[root@Ceshi ~]$ vim /etc/security/limits.d/20-nproc.conf
*          soft    nproc     unlimited
*          hard    nproc     unlimited

// 注意nofile的大小受/proc/sys/fs/nr_open的限制，必须小于nr_open，配置不合适将导致无法登录
*          soft    nofile    1024000
*          hard    nofile    1024000

单（压力）机多IP实现超过65535个TCP连接

vim /etc/sysconfig/network-scripts/ifcfg-eth0

# 这里的NETMASK1不写的话，会用默认的
IPADDR1=192.168.106.200
NETMASK1=255.255.255.0
IPADDR2=192.168.106.201
NETMASK2=255.255.255.0
IPADDR3=192.168.106.202
NETMASK3=255.255.255.0
IPADDR4=192.168.106.203
NETMASK4=255.255.255.0
IPADDR5=192.168.106.204
NETMASK5=255.255.255.0
IPADDR6=192.168.106.205
NETMASK6=255.255.255.0
IPADDR7=192.168.106.206
NETMASK7=255.255.255.0
IPADDR8=192.168.106.207
NETMASK8=255.255.255.0
IPADDR9=192.168.106.208
NETMASK9=255.255.255.0
IPADDR10=192.168.106.209
NETMASK10=255.255.255.0

systemctl restart network

# 查看添加的IP是否成功
ip add

# 路由路由
ip route

# 每次修改一次路由的默认地址，建立一批连接
ip route change to 192.168.106.0/24 dev eth0 src 192.168.106.145
ip route change to 192.168.106.0/24 dev eth0 src 192.168.106.200
ip route change to 192.168.106.0/24 dev eth0 src 192.168.106.201
ip route change to 192.168.106.0/24 dev eth0 src 192.168.106.202
ip route change to 192.168.106.0/24 dev eth0 src 192.168.106.203
ip route change to 192.168.106.0/24 dev eth0 src 192.168.106.204
ip route change to 192.168.106.0/24 dev eth0 src 192.168.106.205
ip route change to 192.168.106.0/24 dev eth0 src 192.168.106.206
ip route change to 192.168.106.0/24 dev eth0 src 192.168.106.207
ip route change to 192.168.106.0/24 dev eth0 src 192.168.106.208
ip route change to 192.168.106.0/24 dev eth0 src 192.168.106.209