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From m...@hyperreal.org
Subject cvs commit: apache-1.3/htdocs/manual/mod core.html
Date Mon, 07 Sep 1998 08:31:46 GMT
marc        98/09/07 01:31:46

  Modified:    htdocs/manual/mod core.html
  Log:
  Add some more detailed information about ListenBacklog and MaxClients,
  plus a few misc cleanups.
  
  Revision  Changes    Path
  1.134     +22 -9     apache-1.3/htdocs/manual/mod/core.html
  
  Index: core.html
  ===================================================================
  RCS file: /export/home/cvs/apache-1.3/htdocs/manual/mod/core.html,v
  retrieving revision 1.133
  retrieving revision 1.134
  diff -u -r1.133 -r1.134
  --- core.html	1998/08/27 06:49:24	1.133
  +++ core.html	1998/09/07 08:31:45	1.134
  @@ -1135,7 +1135,7 @@
   The second format reverses the test, and only processes the directives if
   <EM>parameter-name</EM> is <STRONG>not</STRONG> defined.
   
  -<P>The <EM>paramater-name</EM> argument is a define as given on the
  +<P>The <EM>parameter-name</EM> argument is a define as given on the
   <CODE>httpd</CODE> command line via <CODE>-D</CODE><EM>parameter-</EM>,
at the
   time the server was started.
   
  @@ -1613,13 +1613,19 @@
    HREF="directive-dict.html#Compatibility"
    REL="Help"
   ><STRONG>Compatibility:</STRONG></A> ListenBacklog is only available
in Apache
  -versions after 1.2.0.<P>
  +versions after 1.2.0.
   
  -The maximum length of the queue of pending connections.  Generally no
  +<P>The maximum length of the queue of pending connections.  Generally no
   tuning is needed or desired, however on some systems it is desirable
   to increase this when under a TCP SYN flood attack.  See
  -the backlog parameter to the <CODE>listen(2)</CODE> system call.</P><HR>
  +the backlog parameter to the <CODE>listen(2)</CODE> system call.
   
  +<P>This will often be limited to a smaller number by the operating
  +system.  This varies from OS to OS.  Also note that many OSes do not
  +use exactly what is specified as the backlog, but use a number based on
  +(but normally larger than) what is set.
  +<HR>
  +
   <H2><A NAME="location">&lt;Location&gt; directive</A></H2>
   
   <A
  @@ -1878,10 +1884,17 @@
    REL="Help"
   ><STRONG>Status:</STRONG></A> core<P>
   
  -The MaxClients directive sets the limit on the number of simultaneous
  +<P>The MaxClients directive sets the limit on the number of simultaneous
   requests that can be supported; not more than this number of child server
   processes will be created.  To configure more than 256 clients, you must
  -edit the HARD_SERVER_LIMIT entry in httpd.h and recompile.<P><HR>
  +edit the HARD_SERVER_LIMIT entry in httpd.h and recompile.
  +
  +<P>Any connection attempts over the MaxClients limit will normally
  +be queued, up to a number based on the <A HREF="#listenbacklog">
  +ListenBacklog</A> directive.  Once a child process is freed at the
  +end of a different request, the connection will then be serviced.
  +
  +<HR>
   
   <H2><A NAME="maxkeepaliverequests">MaxKeepAliveRequests directive</A></H2>
   <A
  @@ -2928,7 +2941,7 @@
    HREF="directive-dict.html#Status"
    REL="Help"
   ><STRONG>Status:</STRONG></A> core (Windows)<BR>
  -<STRONG>Compatbility:</STRONG> Available only with Apache 1.3 and later
  +<STRONG>Compatibility:</STRONG> Available only with Apache 1.3 and later
   with Windows
   
   <P>This directive tells the server how many threads it should use. This
  @@ -3072,8 +3085,8 @@
   group specifically for running the server. Some admins use user
   <CODE>nobody</CODE>, but this is not always possible or desirable.
   For example mod_proxy's cache, when enabled, must be accessible to this user
  -(see the <A href="mod_proxy.html#cacheroot"><CODE>CacheRoot</CODE></a>

  -directive</a>).<P>
  +(see the <A href="mod_proxy.html#cacheroot"><CODE>CacheRoot</CODE>
  +directive</A>).<P>
   
   Notes: If you start the server as a non-root user, it will fail to change
   to the lesser privileged user, and will instead continue to run as
  
  
  

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