django 短链接改成长连接

from django.conf import settings
from django.core.wsgi import get_wsgi_application
from gunicorn.app.base import Application
# gunicorn 一个Python WSGI UNIX的HTTP服务器，按我的理解，它的作用可能就是用来代替django自带server的。
# 有了它就不用自带的runserver了，自带的server只能单线程运行，而这个能并发多线程。

class Server(Application):
    """
    服务器实现类
    """

    def __init__(self, ready_hook=None, fork_hook=None):
        """
        初始化
        """

        # 服务配置
        self.config = dict(
            worker_class="gthread",
            worker_connections=5000,
            backlog=2048,
            threads=1,
            daemon=True,
            keyfile=settings.SERVER_SSL_KEY,
            certfile=settings.SERVER_SSL_CERT,

            post_worker_init=ready_hook,
            post_fork=fork_hook,

            user=settings.SERVER_USER,
            group=settings.SERVER_GROUP,
            bind=settings.SERVER_BIND,
            workers=settings.SERVER_WORKERS,
            pidfile=settings.SERVER_PID
        )

        self.application = get_wsgi_application()

        super().__init__()

    def load_config(self):
        """
        加载配置
        """
        config = dict([(key, value) for key, value in self.config.items()
                       if key in self.cfg.settings and value is not None])

        for key, value in config.items():
            self.cfg.set(key.lower(), value)

    def load(self):
        """
        加载应用
        """
        return self.application

settings.py
DATABASES = {
    "default": {
        "ENGINE": "django.db.backends.mysql",
        "NAME": "",
        "USER": "",
        "PASSWORD": "",
        "HOST": "",
        "PORT": "",
        "CONN_MAX_AGE":3600
    }
}

参考：https://zhuanlan.zhihu.com/p/27467118