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From elu...@apache.org
Subject svn commit: r1753075 - /httpd/httpd/branches/2.4.x/docs/manual/mod/mpm_common.html.en
Date Sun, 17 Jul 2016 13:29:09 GMT
Author: elukey
Date: Sun Jul 17 13:29:09 2016
New Revision: 1753075

URL: http://svn.apache.org/viewvc?rev=1753075&view=rev
Log:
Doc rebuild

Modified:
    httpd/httpd/branches/2.4.x/docs/manual/mod/mpm_common.html.en

Modified: httpd/httpd/branches/2.4.x/docs/manual/mod/mpm_common.html.en
URL: http://svn.apache.org/viewvc/httpd/httpd/branches/2.4.x/docs/manual/mod/mpm_common.html.en?rev=1753075&r1=1753074&r2=1753075&view=diff
==============================================================================
--- httpd/httpd/branches/2.4.x/docs/manual/mod/mpm_common.html.en (original)
+++ httpd/httpd/branches/2.4.x/docs/manual/mod/mpm_common.html.en Sun Jul 17 13:29:09 2016
@@ -268,7 +268,7 @@ listeners' buckets</td></tr>
 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td><code
class="module"><a href="../mod/event.html">event</a></code>, <code
class="module"><a href="../mod/worker.html">worker</a></code>, <code
class="module"><a href="../mod/prefork.html">prefork</a></code></td></tr>
 <tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available
in Apache HTTP Server 2.4.17, with a kernel supporting
 the socket option <code>SO_REUSEPORT</code> and distributing new connections
-evenly accross listening processes' (or threads') sockets using it (eg. Linux
+evenly across listening processes' (or threads') sockets using it (eg. Linux
 3.9 and later, but not the current implementations of <code>SO_REUSEPORT</code>
 in *BSDs.</td></tr>
 </table>
@@ -300,6 +300,12 @@ in *BSDs.</td></tr>
     for each target system, testing multiple values and observing the variations in your

     key performance metrics.</p>
 
+    <p>This directive influences the calculation of the 
+    <code class="directive"><a href="#minsparethreads">MinSpareThreads</a></code>
and 
+    <code class="directive"><a href="#maxsparethreads">MaxSpareThreads</a></code>
lower bound values.
+    The number of children processes needs to be a multiple of the number 
+    of buckets to optimally accept connections.</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="MaxConnectionsPerChild" id="MaxConnectionsPerChild">MaxConnectionsPerChild</a>
<a name="maxconnectionsperchild" id="maxconnectionsperchild">Directive</a></h2>
@@ -398,7 +404,9 @@ simultaneously</td></tr>
     <code>MaxSpareThreads 250</code>. These MPMs deal with idle threads
     on a server-wide basis. If there are too many idle threads in the
     server then child processes are killed until the number of idle
-    threads is less than this number.</p>
+    threads is less than this number. Additional processes/threads
+    might be created if <code class="directive"><a href="#listencoresbucketsratio">ListenCoresBucketsRatio</a></code>

+    is enabled.</p>
 
     <p>For <code class="module"><a href="../mod/mpm_netware.html">mpm_netware</a></code>
the default is
     <code>MaxSpareThreads 100</code>. Since this MPM runs a
@@ -448,7 +456,9 @@ spikes</td></tr>
     <code>MinSpareThreads 75</code> and deal with idle threads on a server-wide
     basis. If there aren't enough idle threads in the server then child
     processes are created until the number of idle threads is greater
-    than <var>number</var>.</p>
+    than <var>number</var>. Additional processes/threads
+    might be created if <code class="directive"><a href="#listencoresbucketsratio">ListenCoresBucketsRatio</a></code>

+    is enabled.</p>
 
     <p><code class="module"><a href="../mod/mpm_netware.html">mpm_netware</a></code>
uses a default of
     <code>MinSpareThreads 10</code> and, since it is a single-process



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