fix: 降低 gthread 连接数防 MySQL 打满 + 最终一键修复脚本

Co-authored-by: Cursor <cursoragent@cursor.com>

deploy/final-fix-all.sh

@@ -0,0 +1,81 @@
+#!/bin/bash
+# 最终一次性修复（只跑这一个，不要其它脚本）
+# 解决：8001 双开、gunicorn sync、全局限流、DB 连接打满
+set -e
+DJANGO_DIR="/opt/1panel/apps/openresty/nginx/www/sites/43.142.166.152.443/django"
+LOG="/opt/1panel/apps/openresty/nginx/log/access.log"
+cd "$DJANGO_DIR"
+
+echo "=============================================="
+echo "  星阙最终修复 $(date '+%H:%M:%S')"
+echo "=============================================="
+
+echo ""
+echo "[1/6] 拉最新代码"
+git fetch origin
+git reset --hard origin/main
+echo "    当前: $(git log -1 --oneline)"
+
+echo ""
+echo "[2/6] 检查全局限流是否已移除"
+if grep -q 'DEFAULT_THROTTLE_CLASSES' a_long_dianjing/settings.py; then
+  echo "    失败: 仍有限流配置"
+  exit 1
+fi
+echo "    OK: 无全局限流"
+
+echo ""
+echo "[3/6] 清掉所有 gunicorn，释放 8001"
+systemctl stop gunicorn-dianjing.service 2>/dev/null || true
+sleep 2
+pkill -f 'gunicorn' 2>/dev/null || true
+sleep 3
+if ss -ltn 2>/dev/null | grep -q ':8001'; then
+  fuser -k 8001/tcp 2>/dev/null || true
+  sleep 2
+fi
+
+echo ""
+echo "[4/6] 只启动 systemd 唯一一套 (gthread 4x2)"
+cp deploy/systemd/gunicorn-dianjing.service /etc/systemd/system/
+systemctl daemon-reload
+systemctl enable gunicorn-dianjing.service
+systemctl start gunicorn-dianjing.service
+sleep 4
+
+echo ""
+echo "[5/6] 验证"
+NG=$(pgrep -cf 'gunicorn.*a_long_dianjing' 2>/dev/null || echo 0)
+RT=$(curl -s -o /dev/null -w '%{time_total}' --max-time 5 http://127.0.0.1:8001/hqhd/ 2>/dev/null || echo FAIL)
+echo "    gunicorn 进程: $NG (正常=5: 1master+4worker)"
+echo "    curl 8001: ${RT}s"
+grep -q 'worker_class = "gthread"' gunicorn.conf.py && echo "    gunicorn.conf: gthread OK"
+
+venv/bin/python -c "import app_secrets; print('    数据库:', app_secrets.DATABASE_HOST, app_secrets.DATABASE_PORT)"
+
+REC429=$(grep -a 'hqhd' "$LOG" 2>/dev/null | tail -200 | awk '$9==429' | wc -l)
+echo "    最近200条429: $REC429 (部署后应趋近0)"
+
+echo ""
+echo "[6/6] 测本机 Docker 数据库（若 OK 可改 app_secrets 治本）"
+venv/bin/python -c "
+import pymysql, app_secrets as s
+try:
+    c=pymysql.connect(host='172.17.0.15',port=3306,user=s.DATABASE_USER,password=s.DATABASE_PASSWORD,database=s.DATABASE_NAME,connect_timeout=3)
+    c.close()
+    print('    172.17.0.15:3306 可连 → 改 app_secrets DATABASE_HOST=172.17.0.15 PORT=3306 后 bash deploy/safe-deploy.sh')
+except Exception as e:
+    print('    172.17.0.15 不可连:', e)
+" 2>/dev/null || echo "    跳过 Docker 库测试"
+
+echo ""
+echo "=============================================="
+if [ "$NG" -le 6 ] && [ "$RT" != "FAIL" ]; then
+  echo "  系统层: 通过"
+else
+  echo "  系统层: 仍有问题，把本输出全部贴给开发者"
+fi
+echo ""
+echo "  【必做】1Panel 关闭 Python 自动管理，否则还会抢 8001"
+echo "  然后手机再试。还卡 = 远程库 gvsds.com:50030 慢，需改本机库"
+echo "=============================================="

gunicorn.conf.py

@@ -1,11 +1,10 @@
-# Gunicorn 生产配置（systemd 与 1Panel 共用此文件，勿再手写冲突参数）
+# Gunicorn 生产配置（systemd 与 1Panel 共用）
-# 安装后: systemctl restart gunicorn-dianjing.service
+# 远程 MySQL 时 worker×threads 不宜过大，否则打满 DB 连接 → 全站挂起
 
 bind = "127.0.0.1:8001"
 
-# 必须用 gthread：sync 模式下 4 worker 同时只能处理 4 个请求，远程 MySQL 一慢就全站卡死
+workers = 4
-workers = 6
+threads = 2
-threads = 4
 worker_class = "gthread"
 
 timeout = 120
@@ -15,12 +14,9 @@ keepalive = 2
 max_requests = 2000
 max_requests_jitter = 100
 
-# 禁止输出到 stdout/stderr（曾灌满 journal 导致整机卡）
 accesslog = None
 errorlog = "/tmp/gunicorn-error.log"
 loglevel = "warning"
-
-# gthread + MySQL 连接池：preload 易在 fork 后出连接问题
 preload_app = False
 
 proc_name = "a_long_dianjing_gunicorn"