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Update the docs on the ScoreBoardFile directive for the new

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apr_shm.h API and the removal of the old SCOREBOARD_FILE stuff.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@94370 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Aaron Bannert
2002-04-02 01:07:43 +00:00
parent dc2e5a5b3e
commit 19edeaba1f
1 changed files with 12 additions and 10 deletions
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22
docs/manual/mod/mpm_common.xml
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@@ -383,16 +383,18 @@ the child processes</description>
<module>prefork</module></modulelist>
<usage>
<p>The <directive>ScoreBoardFile</directive> directive is required
on some architectures to place a file that the server will use to
communicate between its children and the parent. The easiest way
to find out if your architecture requires a scoreboard file is to
run Apache and see if it creates the file named by the
directive. If your architecture requires it then you must ensure
that this file is not used at the same time by more than one
invocation of Apache.</p>
<p>Apache uses a scoreboard to communicate between its children
and the parent. Some architectures require a file to facilitate
this communication. If left unspecified, Apache first attempts to
create the scoreboard entirely in memory (using anonymous shared
memory), and failing that will attempt to create the file on disk
(using file-based shared memory). Specifying this directive causes
Apache to always create the file on the disk.</p>
<p>If you have to use a <directive>ScoreBoardFile</directive> then
<p>File-based shared memory is useful for third-party applications
that require direct access to the scoreboard.</p>
<p>If you use a <directive>ScoreBoardFile</directive> then
you may see improved speed by placing it on a RAM disk. But be
careful that you heed the same warnings about log file placement
and <a href="../misc/security_tips.html">security</a>.</p>
@@ -611,4 +613,4 @@ the dangers are.</p></note>
</usage>
</directivesynopsis>
</modulesynopsis>
</modulesynopsis>