SmartSoftHelp 服务器性能优化之Win IIS，Nginx for Linux，Nginx for Windows 深度优化版：SmartSoftHelp DeepCore XSuite

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服务器性能优化 Windows IIS，Nginx for Linux，Nginx for Windows 优化配置方案 1. 应用程序池优化

xml

<configuration>
<system.applicationHost>
<applicationPools>
<add name="YourAppPool" managedRuntimeVersion="v4.0">
<processModel
maxConcurrentRequestsPerCPU="5000"
maxConcurrentThreadsPerCPU="0"
requestQueueLimit="5000" />
<recycling logEventOnRecycle="Time,Requests,Schedule,Memory,IsapiUnhealthy,OnDemand,ConfigChange,PrivateMemory">
<periodicRestart time="0" />
</recycling>
</add>
</applicationPools>
</system.applicationHost>
</configuration>

2. 请求过滤与静态内容处理

xml

<system.webServer>
<security>
<requestFiltering>
<requestLimits maxAllowedContentLength="1073741824" />
</requestFiltering>
</security>
<staticContent>
<clientCache cacheControlMode="UseMaxAge" cacheControlMaxAge="7.00:00:00" />
</staticContent>
</system.webServer>

3. 启用 HTTP/2 和压缩

powershell

# 启用 HTTP/2
Set-ItemProperty -Path HKLM:\\SYSTEM\\CurrentControlSet\\Services\\HTTP\\Parameters -Name EnableHttp2Protocol -Value 1

# 启用动态和静态压缩
Add-WindowsFeature Web-Server,Web-Common-Http,Web-Default-Doc,Web-Dir-Browsing,Web-Http-Errors,Web-Static-Content,Web-Http-Logging,Web-Stat-Compression,Web-Dyn-Compression

Nginx for Linux 性能优化配置方案

1. 核心 Nginx 配置优化

nginx

worker_processes auto;
worker_cpu_affinity auto;
worker_rlimit_nofile 65535;

events {
worker_connections 65535;
multi_accept on;
use epoll;
}

http {
include mime.types;
default_type application/octet-stream;

sendfile on;
tcp_nopush on;
tcp_nodelay on;

keepalive_timeout 65;
keepalive_requests 100;

gzip on;
gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

server_tokens off;
types_hash_max_size 2048;

# 负载均衡配置
upstream backend {
least_conn;
server backend1.example.com weight=5;
server backend2.example.com weight=5;
keepalive 32;
}
}

2. Linux 系统参数优化

bash

# /etc/sysctl.conf
net.core.somaxconn = 65535
net.core.netdev_max_backlog = 65535
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.ipv4.tcp_rmem = 4096 87380 16777216
net.ipv4.tcp_wmem = 4096 65536 16777216
net.ipv4.tcp_max_syn_backlog = 65535
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_fin_timeout = 15
net.ipv4.ip_local_port_range = 1024 65535

# 应用配置
sysctl -p

3. 文件描述符限制

bash

# /etc/security/limits.conf
nginx hard nofile 65535
nginx soft nofile 65535

# /etc/systemd/system/nginx.service.d/override.conf
[Service]
LimitNOFILE=65535

Nginx for Windows 性能优化配置方案

1. 基础 Nginx 配置

nginx

worker_processes 4;
worker_connections 16384;

events {
use epoll;
multi_accept on;
}

http {
sendfile on;
tcp_nopush on;
tcp_nodelay on;

keepalive_timeout 65;
keepalive_requests 100;

gzip on;
gzip_types text/plain text/css application/json application/javascript;

# 静态文件缓存
open_file_cache max=1000 inactive=20s;
open_file_cache_valid 30s;
open_file_cache_min_uses 2;
open_file_cache_errors on;
}

2. Windows 系统优化

powershell

# 增加 TCP 连接数限制
netsh int tcp set global autotuninglevel=normal
netsh int tcp set global rss=enabled
netsh int tcp set global chimney=enabled
netsh int tcp set global congestionprovider=ctcp

# 调整注册表参数
reg add "HKLM\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters" /v MaxUserPort /t REG_DWORD /d 65534 /f
reg add "HKLM\\SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters" /v TcpTimedWaitDelay /t REG_DWORD /d 30 /f

3. 性能监控与维护

powershell

# 性能监控脚本
function Get-NginxCounters {
$nginxProcess = Get-Process nginx -ErrorAction SilentlyContinue
if ($nginxProcess) {
$cpu = (Get-Counter "\\Process(nginx*)\\% Processor Time").CounterSamples.CookedValue
$mem = (Get-Counter "\\Process(nginx*)\\Working Set – Private").CounterSamples.CookedValue
[PSCustomObject]@{
CPU = "$($cpu)%"
Memory = "$([math]::Round($mem/1MB,2)) MB"
Processes = $nginxProcess.Count
}
} else {
Write-Warning "Nginx 进程未运行"
}
}

综合优化建议

nginx

upstream backend_servers {
ip_hash;
server backend1.example.com:8080 max_fails=3 fail_timeout=30s;
server backend2.example.com:8080 max_fails=3 fail_timeout=30s;
server backend3.example.com:8080 backup;
}

server {
listen 80;
server_name example.com;

location / {
proxy_pass http://backend_servers;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_http_version 1.1;
proxy_set_header Connection "";
}
}

nginx

location ~* \\.(js|css|png|jpg|jpeg|gif|ico)$ {
expires 7d;
log_not_found off;
access_log off;
}

location ~* \\.(pdf|doc|docx|xls|xlsx|ppt|pptx)$ {
expires 30d;
}

nginx

# 限制请求速率
limit_req_zone $binary_remote_addr zone=mylimit:10m rate=10r/s;

server {
# …其他配置…

location /api/ {
limit_req zone=mylimit burst=20 nodelay;
}

# 防止 DDOS 攻击
limit_conn_zone $binary_remote_addr zone=perip:10m;
limit_conn perip 100;
}

以上配置方案覆盖了服务器软件和操作系统层面的优化，实际应用时应根据服务器硬件配置和应用特性进行调整。建议在测试环境验证后再应用到生产环境。 以上内容大模型比较浅的分析！ SmartSoftHelp   终结者提供比较全面深入，专业的优化方案! 请到Ser 服务器性能优化 (IISNginxDeployMent) 菜单   有更加详细深入透彻的分析！

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