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From Aaron Morris <>
Subject Re: [users@httpd] How to use AddModule
Date Thu, 20 Nov 2003 01:24:53 GMT

Joshua Slive wrote:

> On Wed, 19 Nov 2003, Aaron Morris wrote:
>>>What is the difference between an active module and an enabled module?
>>>It sounds like LoadModule loads the actual object file from disk.
>>>Does apache keep track of whether loaded modules disabled/enabled in memory?
>>>Does the very first connection, for example, enable setenvif_module?
>>>And, the question most to the point, is there a performance difference when
>>>using AddModule?
>>"AddModule" make no difference, AFAIK, when you are using DSOs (since
>>LoadModule automatically activates the module, AddModule would be
>>repetitive).  It only  affects the server when modules are statically
>>built in httpd.
> While it is true that LoadModule implies AddModule, that does not
> necessarily mean you don't need AddModule with DSOs.  The crucial point is
> the ClearModuleList directive.  This directive UNLOADS all modules (static
> and dynamic).  Then you can use AddModule to put them back.  The reason
> you would want to do this is if you needed to change the order that
> modules are called.
> Joshua.

Ah.  That probably explains my experience.  Every time I've added new 
modules, my LoadModule directive almost always comes after the 
ClearModuleList directive.

Aaron W Morris <> (decep)

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