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POWhy are Python webservers unstable?
 

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  1. POWhy are Python webservers unstable?
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    <p>I'm developing an HTTP server based game in Python. The plan is to have as few dependencies as possible, so I wanted it to work without installing a standalone webserver (like Apache, Lighttpd or nginx). The problem is, it doesn't work.</p> <p>I tried the following versions:</p> <ul> <li>BaseHTTPServer.HTTPServer (+SocketServer.ThreadingMixIn)</li> <li>wsgiref.simple_server</li> <li>twisted.web.server</li> </ul> <p>When put under heavy load (<code>siege -b -c 100 -t 30s</code>), they all partially failed with either</p> <p><code>[error] socket: read error Connection reset by peer sock.c:460: Connection reset by peer</code></p> <p>or</p> <p><code>[error] socket: -1313092800 address is unavailable.: Cannot assign requested address</code></p> <p>By partially I mean: some requests were served, some not.</p> <p>On the other hand, when I tried Lighttpd + Flask (i.e. WSGI) or even Lighttpd + PHP (just as a control case), it works absolutely fine. Availability 100%, Concurrency 100%.</p> <p>Because of the latter working versions, I suppose the problem is not <code>siege</code>, or running <code>siege</code> and the server on the same machine, or the machine itself (Ubuntu 12.04 by the way).</p> <p>NOTE: in all cases I tested simple "hello world" servers to minimize the possiblity of bugs.</p> <p>So my two question:</p> <ol> <li><em>Why</em> are Python webservers unstable? (What exactly is the <em>cause</em>, not the solution?)</li> <li>Is using a standalone webserver + Python the only/best solution (if I stick to Python), or am I missing something?</li> </ol>
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    1. COI'd guess the downvote is because this question is a bit outside the scope of stackoverflow - I think it would fit better in [ServerFault](http://serverfault.com/).
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    2. CO@Brionius Thanks. That makes sense.
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    3. CO@Brionius It turned out, it doesn't make sense. I was sent back *here* with a few downvotes... :-)
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