<div id="path">
<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="./">Version 2.5</a></div><div id="page-content"><div id="preamble"><h1>Expressions in Apache HTTP Server</h1>
<div class="toplang">
-<p><span>Available Languages: </span><a href="./en/expr.html" title="English"> en </a> |
+<p><span>Available Languages: </span><a href="./edited/expr.html" hreflang="edited" rel="alternate" title=""> edited </a> |
+<a href="./en/expr.html" title="English"> en </a> |
<a href="./fr/expr.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p>
</div>
are available for versions 2.5.0 and later.</p>
</div></div>
<div class="bottomlang">
-<p><span>Available Languages: </span><a href="./en/expr.html" title="English"> en </a> |
+<p><span>Available Languages: </span><a href="./edited/expr.html" hreflang="edited" rel="alternate" title=""> edited </a> |
+<a href="./en/expr.html" title="English"> en </a> |
<a href="./fr/expr.html" hreflang="fr" rel="alternate" title="Français"> fr </a></p>
</div><div class="top"><a href="#page-header"><img src="./images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our <a href="http://httpd.apache.org/lists.html">mailing lists</a>.</div>
<script type="text/javascript"><!--//--><![CDATA[//><!--
<a href="../ja/mod/mod_cgi.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
<a href="../ko/mod/mod_cgi.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
</div>
+<div class="outofdate">Cette traduction peut être périmée. Vérifiez la version
+ anglaise pour les changements récents.</div>
<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Exécution des scripts CGI</td></tr>
<tr><th><a href="module-dict.html#Status">Statut:</a></th><td>Base</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Identificateur de Module:</a></th><td>cgi_module</td></tr>
<a href="../ja/mod/mod_cgi.html" title="Japanese"> ja </a> |
<a href="../ko/mod/mod_cgi.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
</div>
+<div class="outofdate">この日本語訳はすでに古くなっている
+ 可能性があります。
+ 最近更新された内容を見るには英語版をご覧下さい。
+ </div>
<table class="module"><tr><th><a href="module-dict.html#Description">説明:</a></th><td>CGI スクリプトの実行</td></tr>
<tr><th><a href="module-dict.html#Status">ステータス:</a></th><td>Base</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">モジュール識別子:</a></th><td>cgi_module</td></tr>
<a href="../ja/mod/mod_deflate.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
<a href="../ko/mod/mod_deflate.html" hreflang="ko" rel="alternate" title="Korean"> ko </a></p>
</div>
+<div class="outofdate">Cette traduction peut être périmée. Vérifiez la version
+ anglaise pour les changements récents.</div>
<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Comprime le contenu avant de le servir au
client</td></tr>
<tr><th><a href="module-dict.html#Status">Statut:</a></th><td>Extension</td></tr>
<Proxy balancer://foo>
BalancerMember http://www.example.com/ hcmethod=GET hcexpr=in_maint hcuri=/status.php
BalancerMember http://www2.example.com/ hcmethod=HEAD hcexpr=ok234 hcinterval=10
- BalancerMember http://www3.example.com/ hcmethod=TCP hcinterval=5
+ BalancerMember http://www3.example.com/ hcmethod=TCP hcinterval=5 hcpasses=2 hcfails=3
BalancerMember http://www4.example.com/
</Proxy>
<p><code>http://www2.example.com/</code> is checked by sending a simple <code>HEAD</code> request every
10 seconds and making sure that the response status is 2xx, 3xx or 4xx. <code>http://www3.example.com/</code> is checked
-every 5 seconds by simply ensuring that the socket to that server is up and <code>http://www4.example.com/</code> is
+every 5 seconds by simply ensuring that the socket to that server is up. If the backend is marked as
+"down" and it passes 2 health check, it will be re-enabled and added back into the load balancer.
+It takes 3 back-to-back health check failures to disable the server and move it out
+of rotation. Finally, <code>http://www4.example.com/</code> is
not dynamically checked at all.</p>
</div>