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eightqueen
V2EX  ›  Python

python 的 cgi 程序没法用 ab 来做性能测试

  •  
  •   eightqueen · Apr 11, 2016 · 2963 views
    This topic created in 3824 days ago, the information mentioned may be changed or developed.
    import socket
    import signal
    import multiprocessing 
    
    response = 'HTTP/1.1 200 OK\r\nConnection: Close\r\nContent-Length: 11\r\n\r\nHello World'
    
    server = socket.socket()
    server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    server.bind(('0.0.0.0', 9527))
    server.listen(1024)
    
    def handler(client):
        request = client.recv(1024)
        client.send(response)
        client.close()
        
    #多进程里的子进程执行完后并不会死掉,而是变成僵尸进程,等待主进程挂掉后才会死掉,下面这条语句可以解决这个问题。
    signal.signal(signal.SIGCHLD,signal.SIG_IGN)
    
    while True:
        client, addr = server.accept()
        process = multiprocessing.Process(target=handler, args=(client,))
        process.start()
    

    ab -n 1 -c 1 http://localhost:9527/

    结果竟然超时,真是无语了

    2 replies  •  2016-04-12 15:38:00 +08:00
    keakon
        1
    keakon  
       Apr 12, 2016
    最简单的做法是在最后一行加上 client.close(),子进程中只是把它这个 socket 的拷贝给 close 了,但因为父进程中还存在,所以不会关闭。
    julyclyde
        2
    julyclyde  
       Apr 12, 2016
    问题是你这不是 CGI 啊
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