78 lines
2.7 KiB
Bash
78 lines
2.7 KiB
Bash
#!/bin/bash
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# 诊断并修复 API 延迟：对比本机 Docker MySQL vs 远程 gvsds.com
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# 在服务器上执行：bash deploy/fix-db-latency.sh
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set -e
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DJANGO_DIR="/opt/1panel/apps/openresty/nginx/www/sites/43.142.166.152.443/django"
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cd "$DJANGO_DIR"
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echo "========== 1. Gunicorn 状态 =========="
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systemctl is-active gunicorn-dianjing.service || true
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pgrep -af 'gunicorn.*a_long_dianjing' || echo "无 gunicorn 进程！"
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echo ""
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echo "========== 2. 当前数据库配置 =========="
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python3 - <<'PY'
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import app_secrets
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print(f"HOST={app_secrets.DATABASE_HOST} PORT={app_secrets.DATABASE_PORT} DB={app_secrets.DATABASE_NAME}")
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PY
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echo ""
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echo "========== 3. 连接延迟对比（新建连接 + 简单查询）=========="
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python3 - <<'PY'
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import time
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import pymysql
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import app_secrets
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def test_host(host, port, user, password, db):
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t0 = time.time()
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try:
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conn = pymysql.connect(
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host=host, port=int(port), user=user, password=password,
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database=db, connect_timeout=5, charset='utf8mb4',
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)
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connect_ms = (time.time() - t0) * 1000
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t1 = time.time()
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with conn.cursor() as cur:
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cur.execute("SELECT 1")
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cur.fetchone()
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query_ms = (time.time() - t1) * 1000
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conn.close()
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return connect_ms, query_ms, None
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except Exception as e:
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return None, None, str(e)
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user = app_secrets.DATABASE_USER
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pwd = app_secrets.DATABASE_PASSWORD
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db = app_secrets.DATABASE_NAME
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cur_host = app_secrets.DATABASE_HOST
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cur_port = app_secrets.DATABASE_PORT
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for label, host, port in [
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("当前生产", cur_host, cur_port),
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("本机 Docker", "172.17.0.15", "3306"),
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]:
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c, q, err = test_host(host, port, user, pwd, db)
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if err:
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print(f" [{label}] {host}:{port} -> 失败: {err}")
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else:
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print(f" [{label}] {host}:{port} -> 握手 {c:.0f}ms, 查询 {q:.0f}ms")
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print("\n若本机 Docker 成功且 <20ms，应改 app_secrets.py 的 DATABASE_HOST=172.17.0.15 PORT=3306")
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PY
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echo ""
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echo "========== 4. 本地 API 响应（ddhq 需 token，测空接口）=========="
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curl -s -o /dev/null -w "127.0.0.1:8001 响应: %{time_total}s\n" http://127.0.0.1:8001/hqhd/ 2>/dev/null || echo "8001 无响应"
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echo ""
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echo "========== 5. Nginx 最近 hqhd 延迟（rt=）=========="
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grep 'hqhd' /opt/1panel/apps/openresty/nginx/log/access.log 2>/dev/null | tail -5 || echo "无日志"
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echo ""
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echo "========== 修复步骤（本机库可用时）=========="
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echo "1. 备份: cp app_secrets.py app_secrets.py.bak.\$(date +%Y%m%d)"
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echo "2. 改 DATABASE_HOST='172.17.0.15' DATABASE_PORT='3306'"
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echo "3. systemctl restart gunicorn-dianjing.service"
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echo "4. 再 grep hqhd access.log 看 rt= 是否回到 0.05~0.08"
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