我有一个恼人的问题。我有这个简单的服务器代码(比方说):奇怪的滞后/延迟/延迟/任何与wsgiref.simple_server后几个请求
#!/usr/bin/env python3
import wsgiref.simple_server
def my_func(env, start_response):
start_response('200 OK', [])
return [''.encode()]
server = wsgiref.simple_server.make_server(
'0.0.0.0',
19891,
my_func,
)
server.serve_forever()
然而,从5次尝试(约使20%的请求),1次供应非常,非常缓慢。当我打断了服务器处理时,这个巨大的延迟到位,我总是得到以下异常:
Exception happened during processing of request from ('192.168.1.100', 3540)
Traceback (most recent call last):
File "/usr/lib/python3.5/socketserver.py", line 313, in _handle_request_noblock
self.process_request(request, client_address)
File "/usr/lib/python3.5/socketserver.py", line 341, in process_request
self.finish_request(request, client_address)
File "/usr/lib/python3.5/socketserver.py", line 354, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "/usr/lib/python3.5/socketserver.py", line 681, in __init__
self.handle()
File "/usr/lib/python3.5/wsgiref/simple_server.py", line 119, in handle
self.raw_requestline = self.rfile.readline(65537)
File "/usr/lib/python3.5/socket.py", line 575, in readinto
return self._sock.recv_into(b)
KeyboardInterrupt
你有任何想法如何避免这种烦人的事情?或者这种行为背后的原因是什么?
UPDATE1: 我曾尝试与TCP_NODELAY修改simple_server.py - > WSGIServer-> server_bind功能如下:
def server_bind(self):
"""Override server_bind to store the server name."""
import socket
self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY,1)
HTTPServer.server_bind(self)
self.setup_environ()
可惜的是没有变化:(
在Windows 7上使用python 3.4 32bit工作不延迟 –
在Python 3.2下的旧debian机器上无延迟地工作。 “非常非常慢”是什么意思?秒? –
嗨我在rpi2上使用python3.5在ubuntu mate上。 – vpas