fanf 02/01/13 20:55:53
Modified: htdocs/manual/misc perf-bsd44.html
Log:
Remove obsolete mumbo-jumbo about HTTP/0.9 compatibility.
Revision Changes Path
1.20 +8 -29 httpd-docs-1.3/htdocs/manual/misc/perf-bsd44.html
Index: perf-bsd44.html
===================================================================
RCS file: /home/cvs/httpd-docs-1.3/htdocs/manual/misc/perf-bsd44.html,v
retrieving revision 1.19
retrieving revision 1.20
diff -u -r1.19 -r1.20
--- perf-bsd44.html 16 Dec 2001 06:30:25 -0000 1.19
+++ perf-bsd44.html 14 Jan 2002 04:55:53 -0000 1.20
@@ -232,15 +232,6 @@
already available to be read) so there is less context
switching.</p>
- <p>There are two filters in FreeBSD at the time of writing:
- "dataready" and "httpready". The former just waits for the
- first packet to arrive from the client; the latter waits for
- the end of the HTTP headers. Unfortunately the "httpready"
- filter breaks support for HTTP/0.9 (which doesn't have headers)
- so Apache doesn't use it, but the "dataready" filter gives the
- same benefit in the majority of cases so Apache attempts to use
- that instead.</p>
-
<p>Accept filters provide the most benefit on servers that are
already so busy that they are configured with "<code>KeepAlive
Off</code>". <a href="../keepalive.html">HTTP KeepAlive (aka
@@ -256,32 +247,20 @@
<p>To enable accept filtering, you must either load the
appropriate accept filter module, e.g. with the command
- <code>kldload accf_data</code>, or compile a kernel with
- <code>options ACCEPT_FILTER_DATA</code>. Apache will then
+ <code>kldload accf_http</code>, or compile a kernel with
+ <code>options ACCEPT_FILTER_HTTP</code>. Apache will then
enable filtering when it is restarted.</p>
- <p>Accept filters ar compiled in if the symbol
- <code>SO_ACCEPTFILTER</code> is defined on the machine apache
- is build.</p>
-
- <p>Additionally there is a directive <a
+ <p>Accept filters are compiled in if the symbol
+ <code>SO_ACCEPTFILTER</code> is defined on the machine on which
+ Apache is built. Additionally there is a directive <a
href="../mod/core.html#acceptfilter">AcceptFilter</a> to switch
the filters on or off. The default is on; except when apache is
compiled with <code>-D AP_ACCEPTFILTER_ON</code>.</p>
- <p>If you are more concerned about performance than
- compatibility with absurdly obsolete HTTP/0.9 user agents then
- you can recompile Apache to use the "httpready" filter. This
- may be particularly helpful if your web site uses really big
- cookies, for example. If you are using
- <code>src/Configure</code> then add
- <code>-DACCEPT_FILTER_NAME=\"httpready\"</code> to the
- <code>EXTRA_CFLAGS</code> line in the
- <code>src/Configuration</code> file. If you are using APACI
- (aka <code>./configure</code>) then use the command
- <code>CFLAGS=-DACCEPT_FILTER_NAME=\'\"httpready\"\'
- ./configure</code> (with all the funky backslashed quotes).</p>
- <hr />
+ <p>See the manual page
+ <a
href="http://www.freebsd.org/cgi/man.cgi?query=accf_http";>accf_http(9)</a>
+ for more information.</p>
<h3>More welcome!</h3>
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