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<div id="preamble"><h1>Module Apache mod_heartmonitor</h1>
<div class="toplang">
<p><span>Langues Disponibles: </span><a href="../en/mod/mod_heartmonitor.html" hreflang="en" rel="alternate" title="English"> en </a> |
<a href="../fr/mod/mod_heartmonitor.html" title="Français"> fr </a></p>
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Moniteur centralisé pour les serveurs d'origine mod_heartbeat</td></tr>
<tr><th><a href="module-dict.html#Status">Statut:</a></th><td>Expérimental</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Identificateur de Module:</a></th><td>heartmonitor_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Fichier Source:</a></th><td>mod_heartmonitor.c</td></tr>
<tr><th><a href="module-dict.html#Compatibility">Compatibilité:</a></th><td>Disponible depuis la version 2.3 d'Apache</td></tr></table>
<h3>Sommaire</h3>
<p>
<code class="module"><a href="../mod/mod_heartmonitor.html">mod_heartmonitor</a></code> interprète les messages d'état générés
par les serveurs d'origine pour lesquels <code class="module"><a href="../mod/mod_heartbeat.html">mod_heartbeat</a></code> est activé et
fournit ces informations à <code class="module"><a href="../mod/mod_lbmethod_heartbeat.html">mod_lbmethod_heartbeat</a></code>, ce
qui permet d'utiliser la <em>lbmethod</em> "heartbeat" au sein des
directives <code class="directive"><a href="../mod/mod_proxy.html#proxypass">ProxyPass</a></code>.
</p>
<p>Ce module utilise les services de <code class="module"><a href="../mod/mod_slotmem_shm.html">mod_slotmem_shm</a></code>,
lorsqu'il est disponible, au lieu d'un simple fichier texte. Aucune
configuration supplémentaire n'est requise pour utiliser
<code class="module"><a href="../mod/mod_slotmem_shm.html">mod_slotmem_shm</a></code>.</p>
<div class="warning">
Pour utiliser <code class="module"><a href="../mod/mod_heartmonitor.html">mod_heartmonitor</a></code>,
<code class="module"><a href="../mod/mod_status.html">mod_status</a></code> et <code class="module"><a href="../mod/mod_watchdog.html">mod_watchdog</a></code>
doivent être soit des modules statiques, soit des modules
dynamiques, et dans ce dernier cas, ils doivent être chargés
avant <code class="module"><a href="../mod/mod_heartmonitor.html">mod_heartmonitor</a></code>.
</div>
</div>
<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><h3 class="directives">Directives</h3>
<ul id="toc">
<li><img alt="" src="../images/down.gif" /> <a href="#heartbeatlisten">HeartbeatListen</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#heartbeatmaxservers">HeartbeatMaxServers</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#heartbeatstorage">HeartbeatStorage</a></li>
</ul>
<h3>Traitement des bugs</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">Journal des modifications de httpd</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_heartmonitor">Problèmes connus</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_heartmonitor">Signaler un bug</a></li></ul><h3>Voir aussi</h3>
<ul class="seealso">
<li><a href="#comments_section">Commentaires</a></li></ul></div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="heartbeatlisten" id="heartbeatlisten">Directive</a> <a name="HeartbeatListen" id="HeartbeatListen">HeartbeatListen</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Adresse multicast d'écoute des requêtes entrantes heartbeat</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntaxe:</a></th><td><code>HeartbeatListen <var>addr:port</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Défaut:</a></th><td><code>disabled</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Contexte:</a></th><td>configuration globale</td></tr>
<tr><th><a href="directive-dict.html#Status">Statut:</a></th><td>Expérimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_heartmonitor</td></tr>
</table>
<p>La directive <code class="directive">HeartbeatListen</code> permet de
spécifier l'adresse multicast sur laquelle le serveur va surveiller les
informations d'état en provenance de serveurs où
<code class="module"><a href="../mod/mod_heartbeat.html">mod_heartbeat</a></code> est activé. Cette adresse correspond
en général à la valeur de la directive <code class="directive"><a href="../mod/mod_heartbeat.html#heartbeataddress">HeartbeatAddress</a></code> sur le serveur
d'origine.
</p>
<pre class="prettyprint lang-config">HeartbeatListen 239.0.0.1:27999</pre>
<p>Tant que cette directive n'est pas utilisée, le module est
désactivé.</p>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="heartbeatmaxservers" id="heartbeatmaxservers">Directive</a> <a name="HeartbeatMaxServers" id="HeartbeatMaxServers">HeartbeatMaxServers</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Spécifie le nombre maximal de serveurs qui pourront envoyer
des requêtes heartbeat à ce serveur.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntaxe:</a></th><td><code>HeartbeatMaxServers <var>nombre-de-serveurs</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Défaut:</a></th><td><code>HeartbeatMaxServers 10</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Contexte:</a></th><td>configuration globale</td></tr>
<tr><th><a href="directive-dict.html#Status">Statut:</a></th><td>Expérimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_heartmonitor</td></tr>
</table>
<p>La directive <code class="directive">HeartbeatMaxServers</code>
spécifie le nombre maximal de serveurs qui pourront envoyer des
requêtes heartbeat à ce serveur de monitoring. Elle permet ainsi de
contrôler la quantité de mémoire partagée allouée pour le stockage
des données heartbeat lorsqu'on utilise
<code class="module"><a href="../mod/mod_slotmem_shm.html">mod_slotmem_shm</a></code>.</p>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="heartbeatstorage" id="heartbeatstorage">Directive</a> <a name="HeartbeatStorage" id="HeartbeatStorage">HeartbeatStorage</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Chemin vers le stockage des données heartbeat</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntaxe:</a></th><td><code>HeartbeatStorage <var>chemin fichier</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Défaut:</a></th><td><code>HeartbeatStorage logs/hb.dat</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Contexte:</a></th><td>configuration globale</td></tr>
<tr><th><a href="directive-dict.html#Status">Statut:</a></th><td>Expérimental</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_heartmonitor</td></tr>
</table>
<p>La directive <code class="directive">HeartbeatStorage</code> permet de
spécifier le chemin de stockage des données heartbeat. Ce fichier
texte n'est utilisé que si <code class="module"><a href="../mod/mod_slotmem_shm.html">mod_slotmem_shm</a></code> n'est
pas chargé.</p>
</div>
</div>
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