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+<title>mod_lbmethod_heartbeat - Apache HTTP Server Version 2.4</title>
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+<p class="apache">Apache HTTP Server Version 2.4</p>
+<img alt="" src="../images/feather.png" /></div>
+<div class="up"><a href="./"><img title="&lt;-" alt="&lt;-" src="../images/left.gif" /></a></div>
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+<a href="http://www.apache.org/">Apache</a> &gt; <a href="http://httpd.apache.org/">HTTP Server</a> &gt; <a href="http://httpd.apache.org/docs/">Documentation</a> &gt; <a href="../">Version 2.4</a> &gt; <a href="./">Modules</a></div>
+<div id="page-content">
+<div id="preamble"><h1>Apache Module mod_lbmethod_heartbeat</h1>
+<div class="toplang">
+<p><span>Available Languages: </span><a href="../en/mod/mod_lbmethod_heartbeat.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="../fr/mod/mod_lbmethod_heartbeat.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a></p>
+</div>
+<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Heartbeat Traffic Counting load balancer scheduler algorithm for <code class="module"><a href="../mod/mod_proxy_balancer.html">mod_proxy_balancer</a></code></td></tr>
+<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
+<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>lbmethod_heartbeat_module</td></tr>
+<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_lbmethod_heartbeat.c</td></tr>
+<tr><th><a href="module-dict.html#Compatibility">Compatibility:</a></th><td>Available in version 2.3 and later</td></tr></table>
+<h3>Summary</h3>
+
+<p><code>lbmethod=heartbeat</code> uses the services of <code class="module"><a href="../mod/mod_heartmonitor.html">mod_heartmonitor</a></code> to balance between origin servers that are providing
+heartbeat info via the <code class="module"><a href="../mod/mod_heartbeat.html">mod_heartbeat</a></code> module.</p>
+
+<p> This modules load balancing algorithm favors servers with more ready (idle)
+capacity over time, but does not select the server with the most ready capacity
+every time. Servers that have 0 active clients are penalized, with the
+assumption that they are not fully initialized.</p>
+</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="#heartbeatstorage">HeartbeatStorage</a></li>
+</ul>
+<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__&amp;list_id=144532&amp;product=Apache%20httpd-2&amp;query_format=specific&amp;order=changeddate%20DESC%2Cpriority%2Cbug_severity&amp;component=mod_lbmethod_heartbeat">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&amp;component=mod_lbmethod_heartbeat">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>
+<li><code class="module"><a href="../mod/mod_proxy_balancer.html">mod_proxy_balancer</a></code></li>
+<li><code class="module"><a href="../mod/mod_heartbeat.html">mod_heartbeat</a></code></li>
+<li><code class="module"><a href="../mod/mod_heartmonitor.html">mod_heartmonitor</a></code></li>
+<li><a href="#comments_section">Comments</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="HeartbeatStorage" id="HeartbeatStorage">HeartbeatStorage</a> <a name="heartbeatstorage" id="heartbeatstorage">Directive</a></h2>
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Path to read heartbeat data</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>HeartbeatStorage <var>file-path</var></code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>HeartbeatStorage logs/hb.dat</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Experimental</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_lbmethod_heartbeat</td></tr>
+</table>
+ <p>The <code class="directive">HeartbeatStorage</code> directive specifies the
+ path to read heartbeat data. This flat-file is used only when
+ <code class="module"><a href="../mod/mod_slotmem_shm.html">mod_slotmem_shm</a></code> is not loaded.</p>
+
+</div>
+</div>
+<div class="bottomlang">
+<p><span>Available Languages: </span><a href="../en/mod/mod_lbmethod_heartbeat.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="../fr/mod/mod_lbmethod_heartbeat.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</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&amp;A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed 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 Libera.chat, or sent to our <a href="https://httpd.apache.org/lists.html">mailing lists</a>.</div>
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