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<div class="document">
<div class="section" id="dependencies">
<h1>Dependencies</h1>
<p>Before deploying MemcacheQ, make sure that following packages have been installed:</p>
<div class="section" id="berkeley-db-4-7-or-later">
<h2>Berkeley DB 4.7 or later</h2>
<p>Download from &lt;<a class="reference external" href="http://www.oracle.com/database/berkeley-db/db/index.html">http://www.oracle.com/database/berkeley-db/db/index.html</a>&gt;</p>
<p>How to install BerkekeyDB:</p>
<pre class="literal-block">
$tar xvzf db-4.7.25.tar.gz
$cd db-4.7.25/
$cd build_unix/
$../dist/configure
$make
$sudo make install
</pre>
</div>
<div class="section" id="libevent-1-4-x-or-later">
<h2>libevent 1.4.x or later</h2>
<p>Download from &lt;<a class="reference external" href="http://monkey.org/~provos/libevent/">http://monkey.org/~provos/libevent/</a>&gt;</p>
<p>How to install libevent:</p>
<pre class="literal-block">
$tar xvzf libevent-1.4.x-stable.tar.gz
$cd libevent-1.4.x-stable
$./configure
$make
$sudo make install
</pre>
<p>On a linux, load .so file by add two line in /etc/ld.so.conf:</p>
<pre class="literal-block">
/usr/local/lib
/usr/local/BerkeleyDB.4.7/lib
</pre>
<p>Then, run 'ldconfig'.</p>
</div>
</div>
<div class="section" id="building-memcacheq">
<h1>Building MemcacheQ</h1>
<p>On a *nix, just following:</p>
<pre class="literal-block">
$tar xvzf memcacheq-0.1.x.tar.gz
$cd memcacheq-0.1.x
$./configure --enable-threads
$make
$sudo make install
</pre>
</div>
<div class="section" id="start-the-daemon">
<h1>Start the daemon</h1>
<p>For example:</p>
<pre class="literal-block">
memcacheq -d -r -H /data1/memcacheq -N -v -L 1024 -B 1024 &gt; /data1/mq_error.log 2&gt;&amp;1
</pre>
<p>Notice: Because MemcacheQ is using fixed-length storage, so you should use '-B' option to specify the max length of your message. Default is 1024 bytes. Any message that shorter than the length you specified will be padded with '0x20', the space character. A message includes following bytes:</p>
<pre class="literal-block">
&lt;your queue name bytes&gt; + &lt;message metadata(9 ~ 20+ bytes)&gt; + &lt;your message body bytes&gt;
</pre>
<p>use &quot;-h&quot; option to see more configures.</p>
<p>Have fun :)</p>
</div>
</div>
</body>
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