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-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
-<HTML>
-<HEAD>
-<TITLE>Apache MPM threaded</TITLE>
-</HEAD>
-
-<!-- Background white, links blue (unvisited), navy (visited), red (active) -->
-<BODY
- BGCOLOR="#FFFFFF"
- TEXT="#000000"
- LINK="#0000FF"
- VLINK="#000080"
- ALINK="#FF0000"
->
-<!--#include virtual="header.html" -->
-
-<H1 ALIGN="CENTER">Multi-Processing Module threaded</H1>
-<P>
-This Multi-Processing Module implements a hybrid multi-threaded
-multi-process web server.
-</P>
-
-<P><A
-HREF="module-dict.html#Status"
-REL="Help"
-><STRONG>Status:</STRONG></A> MPM
-<BR>
-<A
-HREF="module-dict.html#SourceFile"
-REL="Help"
-><STRONG>Source File:</STRONG></A> threaded.c
-<BR>
-<A
-HREF="module-dict.html#ModuleIdentifier"
-REL="Help"
-><STRONG>Module Identifier:</STRONG></A> mpm_threaded_module
-</P>
-
-<H2>Summary</H2>
-
-<p>This Multi-Processing Module (MPM) is the default for most unix-like
-operating systems. It implements a hybrid
-multi-process multi-threaded server. Each process has a fixed number
-of threads. The server adjusts to handle load by increasing or
-decreasing the number of processes.</p>
-
-<p>A single control process is responsible for launching child
-processes. Each child process creates a fixed number of threads as
-specified in the <code>ThreadsPerChild</code> directive.
-The individual threads then listen for connections and
-serve them when they arrive.</p>
-
-<p>Apache always tries to maintain a pool of <em>spare</em> or idle
-server threads, which stand ready to serve incoming requests. In this
-way, clients do not need to wait for a new threads or processes to be
-created before their requests can be served. Apache assesses the
-total number of idle threads in all processes, and forks or kills
-processes to keep this number within the boundaries specified by
-<code>MinSpareThreads</code> and <code>MaxSpareThreads</code>.
-Since this process is very self-regulating, it is rarely necessary to
-modify these directives from their default values. The maximum
-number of clients that may be served simultaneously is determined
-by multiplying the maximum number of server processes that
-will be created (<code>MaxClients</code>) by the number of threads
-created in each process (<code>ThreadsPerChild</code>).</p>
-
-<p>While the parent process is usually started as root under Unix in
-order to bind to port 80, the child processes and threads are launched
-by Apache as a less-privileged user. The <code>User</code> and
-<code>Group</code> directives are used to set the privileges of the
-Apache child processes. The child processes must be able to read all
-the content that will be served, but should have as few privileges
-beyond that as possible. In addition, unless <a
-href="../suexec.html">suexec</a> is used, these directives also set
-the privileges which will be inherited by CGI scripts.</p>
-
-<p><code>MaxRequestsPerChild</code> controls how frequently the server
-recycles processes by killing old ones and launching new ones.</p>
-
-<p>See also: <a href="../bind.html">Setting which addresses and ports
-Apache uses</a>.</p>
-
-
-<H2>Directives</H2>
-<UL>
-<li><a href="mpm_common.html#coredumpdirectory">CoreDumpDirectory</a></li>
-<li><a href="mpm_common.html#group">Group</a></li>
-<li><a href="mpm_common.html#pidfile">PidFile</a></li>
-<li><a href="mpm_common.html#listen">Listen</a></li>
-<li><a href="mpm_common.html#listenbacklog">ListenBacklog</a></li>
-<li><a href="mpm_common.html#lockfile">LockFile</a></li>
-<li><a href="mpm_common.html#maxclients">MaxClients</a></li>
-<li><a href="mpm_common.html#maxrequestsperchild">MaxRequestsPerChild</a></li>
-<li><a href="mpm_common.html#maxsparethreads">MaxSpareThreads</a></li>
-<li><a href="mpm_common.html#minsparethreads">MinSpareThreads</a></li>
-<li><a href="mpm_common.html#scoreboardfile">ScoreBoardFile</a></li>
-<li><a href="mpm_common.html#sendbuffersize">SendBufferSize</a></li>
-<li><a href="mpm_common.html#startservers">StartServers</a></li>
-<li><a href="mpm_common.html#threadsperchild">ThreadsPerChild</a></li>
-<li><a href="mpm_common.html#user">User</a></li>
-</UL>
-
-<!--#include virtual="footer.html" -->
-</BODY>
-</HTML>