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104 lines
4.1 KiB
HTML
104 lines
4.1 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<title>Green Unicorn - FAQ</title>
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<link rel="alternate" type="application/rss+xml" href="/feed.xml" />
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<!--[if IE]>
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<script>
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document.createElement('section');
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document.createElement('article');
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document.createElement('aside');
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document.createElement('footer');
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document.createElement('header');
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document.createElement('nav');
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document.createElement('time');
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</script>
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<![endif]-->
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<link rel="stylesheet" href="css/style.css" type="text/css" media="screen">
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</head>
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<body>
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<div class="container">
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<div id="header">
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<h1 class="logo"><a href="http://gunicorn.org">gunicorn</a></h1>
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<div id="links">
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Get the source via
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<a href="http://github.com/benoitc/gunicorn">git</a>, then
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<a href="http://github.com/benoitc/gunicorn/issues">send feedback</a>
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</div>
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</div>
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<div id="menu">
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<ul id="actions">
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<li><a href="installation.html">Installation</a></li>
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<li><a href="usage.html">Usage</a></li>
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<li><a href="deployment.html">Deployment</a></li>
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<li><a href="configuration.html">Configuration</a></li>
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<li><a href="tuning.html">Tuning</a></li>
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<li><a href="faq.html">FAQ</a></li>
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<li><a href="news.html">News</a></li>
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</ul>
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</div>
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<div class="document" id="faq">
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<h1 class="title">FAQ</h1>
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<dl class="docutils">
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<dt>What is a fast client?</dt>
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<dd>Generally speaking a fast client is something that is being served over the
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local network or from the same machine. This generally would refer to requests
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forwarded from an upstream proxy. Also see the above FAQ for what a fast
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client is not.</dd>
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<dt>What is a slow client?</dt>
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<dd>A slow client is defined as a request that can take an arbitrary amount of
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time to send a request or read a response. Sometimes due to network
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performance or because it is a malicious client attempting to cause problems.
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Check out the <a class="reference external" href="http://ha.ckers.org/slowloris/">slowloris</a> script to generate slow client traffic.</dd>
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<dt>What are sleepy applications?</dt>
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<dd>Applications that expect long request/response times and/or slow clients.
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Gunicorn use <a class="reference external" href="http://eventlet.net">Eventlet</a> or <a class="reference external" href="http://gevent.org">Gevent</a> to manage concurrency.</dd>
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<dt>How might I test a proxy configuration?</dt>
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<dd>Check out <a class="reference external" href="http://ha.ckers.org/slowloris/">slowloris</a> for a script that will generate significant slow
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traffic. If your application remains responsive through out that test you
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should be comfortable that all is well with your configuration.</dd>
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<dt>How do I reload my application in Gunicorn?</dt>
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<dd><p class="first">You can gracefully reload by sending HUP signal to gunicorn:</p>
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<pre class="last literal-block">
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$ kill -HUP masterpid
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</pre>
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</dd>
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<dt>How do I increase or decrease the number of running workers dynamically?</dt>
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<dd><p class="first">To increase the worker count by one:</p>
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<pre class="literal-block">
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$ kill -TTIN $masterpid
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</pre>
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<p>To decrease the worker count by one:</p>
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<pre class="last literal-block">
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$ kill -TTOU $masterpid
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</pre>
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</dd>
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<dt>How do I set SCRIPT_NAME?</dt>
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<dd>By default <tt class="docutils literal">SCRIPT_NAME</tt> is an empy string. The value could be set by
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setting <tt class="docutils literal">SCRIPT_NAME</tt> in the environment or as an HTTP header.</dd>
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<dt>How to name processes?</dt>
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<dd>You need to install the Python package <a class="reference external" href="http://pypi.python.org/pypi/setproctitle">setproctitle</a>. Then you can name
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your process with <cite>-n</cite> or just let the default. If you use a configuration
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file you can set the process name with the proc_name option.</dd>
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</dl>
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</div>
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<div id="footer">
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<p>This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/3.0/">Creative Commons Attribution 3.0 Unported License</a>.</p>
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<p>Hosted on <a href="http://github.com/">Github</a></p>
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</div>
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</div>
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</body>
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</html> |