update pay ui

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2025-12-11 23:55:24 +08:00
parent 985f49ea84
commit 02ca4f48e6

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gunicorn_eventlet_config.py Normal file
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# -*- coding: utf-8 -*-
"""
Gunicorn 配置文件 - Eventlet 极限高并发配置110.42.32.207 专用)
服务器配置: 48核心 128GB 内存
目标并发: 160,000+ 并发连接
使用方式:
# 设置环境变量后启动
export REDIS_HOST=127.0.0.1
gunicorn -c gunicorn_eventlet_config.py app:app
# 或者一行命令
REDIS_HOST=127.0.0.1 gunicorn -c gunicorn_eventlet_config.py app:app
架构说明:
- 16 个 Eventlet Worker每个占用 1 核心,预留 32 核给系统/Redis/MySQL
- 每个 Worker 处理 10000+ 并发连接(协程异步 I/O
- Redis 消息队列同步跨 Worker 的 WebSocket 消息
- 总并发能力: 16 × 10000 = 160,000+ 连接
"""
import os
# ==================== 环境变量设置 ====================
# 解决 eventlet greendns 无法解析 localhost 的问题
os.environ.setdefault('REDIS_HOST', '127.0.0.1')
# ==================== 基础配置 ====================
# 绑定地址和端口
bind = '0.0.0.0:5001'
# Worker 进程数
# 48 核心机器: 16 Workers预留资源给 Redis/MySQL/系统)
# 每个 Eventlet Worker 是单线程但支持协程并发
workers = 16
# Worker 类型 - eventlet 异步模式
worker_class = 'eventlet'
# 每个 worker 的最大并发连接数
# 16 Workers × 10000 = 160,000 并发连接能力
worker_connections = 10000
# 每个 worker 处理的最大请求数(防止内存泄漏)
# 128GB 内存充足,可以设置较大值
max_requests = 100000
max_requests_jitter = 10000
# ==================== 超时配置 ====================
# Worker 超时时间(秒)
# WebSocket 长连接需要较长超时
timeout = 600
# 优雅关闭超时时间(秒)
# 16 个 Worker 需要更长的优雅关闭时间
graceful_timeout = 120
# 保持连接超时时间(秒)
keepalive = 120
# ==================== 内存优化 ====================
# 128GB 内存,可以适当增加缓冲区
# 限制请求行大小(防止恶意请求)
limit_request_line = 8190
# 限制请求头数量
limit_request_fields = 200
# 限制请求头大小
limit_request_field_size = 8190
# ==================== 日志配置 ====================
accesslog = '-'
errorlog = '-'
loglevel = 'info'
capture_output = True
access_log_format = '%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s" %(D)sμs'
# ==================== 进程管理 ====================
daemon = False
pidfile = '/tmp/gunicorn_eventlet.pid'
proc_name = 'vf_react_eventlet'
# 不预加载应用
preload_app = False
# ==================== Hook 函数 ====================
def on_starting(server):
"""服务器启动时调用"""
workers = server.app.cfg.workers
connections = server.app.cfg.worker_connections
total = workers * connections
print("=" * 70)
print("🚀 Gunicorn + Eventlet 极限高并发服务器正在启动...")
print("=" * 70)
print(f" 服务器配置: 48核心 128GB 内存")
print(f" Workers: {workers} 个 Eventlet 协程进程")
print(f" 每 Worker 连接数: {connections:,}")
print(f" 总并发能力: {total:,} 连接")
print("-" * 70)
print(f" Bind: {server.app.cfg.bind}")
print(f" Max Requests: {server.app.cfg.max_requests:,}")
print(f" Timeout: {server.app.cfg.timeout}s")
print("-" * 70)
print(" 多进程架构:")
print(" - Redis db=0: 微信登录状态(跨 Worker 共享)")
print(" - Redis db=1: Flask Session跨 Worker 共享)")
print(" - Redis db=2: SocketIO 消息队列(跨 Worker 同步)")
print("=" * 70)
def when_ready(server):
"""服务准备就绪时调用"""
workers = server.app.cfg.workers
connections = server.app.cfg.worker_connections
total = workers * connections
print("=" * 70)
print(f"✅ Gunicorn + Eventlet 服务准备就绪!")
print(f" {workers} 个 Worker 已启动")
print(f" 总并发能力: {total:,} 连接")
print(f" WebSocket + HTTP API 混合高并发已启用")
print("=" * 70)
def post_worker_init(worker):
"""Worker 初始化完成后调用"""
print(f"✅ Eventlet Worker {worker.pid} 已初始化 (10,000 并发连接就绪)")
def worker_abort(worker):
"""Worker 收到 SIGABRT 信号时调用(超时)"""
print(f"⚠️ Worker {worker.pid} 超时被终止,正在重启...")
def on_exit(server):
"""服务器退出时调用"""
print("🛑 Gunicorn + Eventlet 服务器已关闭")
# ==================== systemd 服务配置示例 ====================
"""
保存为 /etc/systemd/system/vf_eventlet.service:
[Unit]
Description=VF React Flask (Eventlet 160K Concurrent) - 48 Core 128GB
After=network.target redis.service mysql.service
[Service]
User=root
Group=root
WorkingDirectory=/path/to/vf_react
Environment="PATH=/path/to/venv/bin"
Environment="REDIS_HOST=127.0.0.1"
# 系统资源限制48核128GB专用服务器
LimitNOFILE=200000
LimitNPROC=65535
ExecStart=/path/to/venv/bin/gunicorn -c gunicorn_eventlet_config.py app:app
ExecReload=/bin/kill -s HUP $MAINPID
Restart=always
RestartSec=5
TimeoutStopSec=120
[Install]
WantedBy=multi-user.target
启用服务:
sudo systemctl daemon-reload
sudo systemctl enable vf_eventlet
sudo systemctl start vf_eventlet
sudo systemctl status vf_eventlet
查看日志:
sudo journalctl -u vf_eventlet -f
============================================================
系统优化(在 110.42.32.207 上执行):
# 1. 增加文件描述符限制
echo "* soft nofile 200000" >> /etc/security/limits.conf
echo "* hard nofile 200000" >> /etc/security/limits.conf
# 2. 内核参数优化(/etc/sysctl.conf
cat >> /etc/sysctl.conf << 'EOF'
# TCP 连接优化
net.core.somaxconn = 65535
net.core.netdev_max_backlog = 65535
net.ipv4.tcp_max_syn_backlog = 65535
# 端口范围
net.ipv4.ip_local_port_range = 1024 65535
# TIME_WAIT 优化
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_fin_timeout = 15
# 内存优化128GB 内存)
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.ipv4.tcp_rmem = 4096 87380 16777216
net.ipv4.tcp_wmem = 4096 65536 16777216
# 连接跟踪(防火墙)
net.netfilter.nf_conntrack_max = 1000000
EOF
# 3. 应用内核参数
sysctl -p
============================================================
"""