我有一個惱人的問題。我有這個簡單的服務器代碼(比方說):奇怪的滯後/延遲/延遲/任何與wsgiref.simple_server後幾個請求
#!/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,從5次嘗試(約使20%的請求),1次供應非常,非常緩慢。當我打斷了服務器處理時,這個巨大的延遲到位,我總是得到以下異常:
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這種煩人的事情?或者這種行爲背後的原因是什麼?
UPDATE1: 我曾嘗試與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()
可惜的是沒有變化:(
在Windows 7上使用python 3.4 32bit工作不延遲 –
在Python 3.2下的舊debian機器上無延遲地工作。 「非常非常慢」是什麼意思?秒? –
嗨我在rpi2上使用python3.5在ubuntu mate上。 – vpas