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<p class="apache">Apache HTTP Server Version 2.5</p>
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<div id="preamble"><h1>Apache Module mod_proxy_balancer</h1>
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<p><span>Available Languages: </span><a href="../en/mod/mod_proxy_balancer.html" title="English"> en </a> |
+<a href="../fr/mod/mod_proxy_balancer.html" hreflang="fr" rel="alternate" title="Français"> fr </a> |
<a href="../ja/mod/mod_proxy_balancer.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a></p>
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td><code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code> extension for load balancing </td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_proxy_balancer.c</td></tr></table>
<h3>Summary</h3>
- <p>This module <em>requires</em> the service of <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code>. It provides load balancing support for
- <code>HTTP</code>, <code>FTP</code> and <code>AJP13</code> protocols
- </p>
-
- <p>Load balancing scheduler algorithm is provided by not this
- module but other modules such as:
- <code class="module"><a href="../mod/mod_lbmethod_byrequests.html">mod_lbmethod_byrequests</a></code>,
- <code class="module"><a href="../mod/mod_lbmethod_bytraffic.html">mod_lbmethod_bytraffic</a></code>,
- <code class="module"><a href="../mod/mod_lbmethod_bybusyness.html">mod_lbmethod_bybusyness</a></code> and
- <code class="module"><a href="../mod/mod_lbmethod_heartbeat.html">mod_lbmethod_heartbeat</a></code>.
- </p>
+ <p>This module <em>requires</em> the service of <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code> and it provides load balancing for
+ all the supported protocols. The most important ones are:</p>
+ <ul>
+ <li>HTTP, using <code class="module"><a href="../mod/mod_proxy_http.html">mod_proxy_http</a></code></li>
+ <li>FTP, using <code class="module"><a href="../mod/mod_proxy_ftp.html">mod_proxy_ftp</a></code></li>
+ <li>AJP13, using <code class="module"><a href="../mod/mod_proxy_ajp.html">mod_proxy_ajp</a></code></li>
+ <li>WebSocket, using <code class="module"><a href="../mod/mod_proxy_wstunnel.html">mod_proxy_wstunnel</a></code></li>
+ </ul>
+
+ <p>The Load balancing scheduler algorithm is not provided by this
+ module but from other ones such as:</p>
+ <ul>
+ <li><code class="module"><a href="../mod/mod_lbmethod_byrequests.html">mod_lbmethod_byrequests</a></code></li>
+ <li><code class="module"><a href="../mod/mod_lbmethod_bytraffic.html">mod_lbmethod_bytraffic</a></code></li>
+ <li><code class="module"><a href="../mod/mod_lbmethod_bybusyness.html">mod_lbmethod_bybusyness</a></code></li>
+ <li><code class="module"><a href="../mod/mod_lbmethod_heartbeat.html">mod_lbmethod_heartbeat</a></code></li>
+ </ul>
<p>Thus, in order to get the ability of load balancing,
<code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code>, <code class="module"><a href="../mod/mod_proxy_balancer.html">mod_proxy_balancer</a></code>
</ul><h3 class="directives">Directives</h3>
<p>This module provides no
directives.</p>
-<h3>See also</h3>
+<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_proxy_balancer">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_proxy_balancer">Report a bug</a></li></ul><h3>See also</h3>
<ul class="seealso">
<li><code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code></li>
-<
/ul><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div>
+<li><a href="#comments_section">Comments</a></li></ul></div>
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<div class="section">
<h2><a name="scheduler" id="scheduler">Load balancer scheduler algorithm</a></h2>
BalancerMember http://192.168.1.50:80
BalancerMember http://192.168.1.51:80
</Proxy>
-ProxyPass /test balancer://mycluster
-ProxyPassReverse /test balancer://mycluster</pre>
+ProxyPass "/test" "balancer://mycluster"
+ProxyPassReverse "/test" "balancer://mycluster"</pre>
<p>Another example of how to provide load balancing with stickyness
BalancerMember http://192.168.1.51:80 route=2
ProxySet stickysession=ROUTEID
</Proxy>
-ProxyPass /test balancer://mycluster
-ProxyPassReverse /test balancer://mycluster</pre>
+ProxyPass "/test" "balancer://mycluster"
+ProxyPassReverse "/test" "balancer://mycluster"</pre>
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<div class="section">
<p>To enable load balancer management for browsers from the example.com
domain add this code to your <code>httpd.conf</code>
configuration file</p>
-<pre class="prettyprint lang-config"><Location /balancer-manager>
+<pre class="prettyprint lang-config"><Location "/balancer-manager">
SetHandler balancer-manager
Require host example.com
</Location></pre>
<p>Finally you can support cookies and URL encoding at the same time, by
configuring the name of the cookie and the name of the URL parameter
separated by a vertical bar (<code>|</code>) as in the following example:</p>
- <pre class="prettyprint lang-config">ProxyPass /test balancer://mycluster stickysession=JSESSIONID|jsessionid scolonpathdelim=On
+ <pre class="prettyprint lang-config">ProxyPass "/test" "balancer://mycluster" stickysession=JSESSIONID|jsessionid scolonpathdelim=On
<Proxy balancer://mycluster>
BalancerMember http://192.168.1.50:80 route=node1
BalancerMember http://192.168.1.51:80 route=node2
</div>
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5 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
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7 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
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