<!DOCTYPE chapter SYSTEM "performance.sgml" PUBLIC "-//OASIS//DTD DocBook V4.1//EN">
<chapter>
<title>Performance Tuning</Title>
<sect1>
<title>Linux</Title>
</sect1>
<sect1>
<title>Apache</Title>
</sect1>
<sect1>
<title>PHP</Title>
</sect1>
<sect1>
<title>Database</title>
<sect2>
<title>When phpgroupware is used by 5+ users, the number of connections to the backend grows very fast toward it's limits.</title>
<para>
A patch is available for 0.9.12 to allow for non-persistent connections.  This patch adds to the header managing page to allow for non-persistent connections. It's only made for mysql, postgresql and oracle, but should be portable.
</para>
<para>
The patch is available at [http://karlsbakk.net/dev/phpgw/persistent-connections- choice.patch]
</para>
</sect2>
</sect1>
<sect1>
<title>phpGroupWare</Title>
</sect1>
</chapter>
