Running Apache with as few modules as possible

[Adam Vandemore]

Charles Howse wrote:
>
> On Apr 28, 2009, at 2:29 PM, Tom Worster wrote:
>
>> On 4/28/09 3:14 PM, "Charles Howse" <chowse at charter.net> wrote:
>>
>>> Can anyone see anything that I've commented that I'll be sorry for?
>>> Can anyone suggest any more testing I should do?
>>
>> unfortunately i can't but i'd like to ask you to tell us, once you're 
>> done
>> with removing modules, how much memory you saved relative to where you
>> started.
>>
>> i'm curious because i went through a similar exercise not long ago 
>> and would
>> be interested to compare notes.
>
> OK, here we go:
> With Apache running on the development machine, modules commented as 
> in my first post --
> CPU:  0.8% user,  0.0% nice,  0.4% system,  0.8% interrupt, 98.1% idle
> Mem: 27M Active, 139M Inact, 64M Wired, 11M Cache, 34M Buf, 648K Free
> Swap: 512M Total, 60K Used, 512M Free
>
> Apache running on the same machine without any modules commented 
> except mod_ssl --
> CPU:  0.8% user,  0.0% nice,  0.8% system,  0.4% interrupt, 98.1% idle
> Mem: 27M Active, 134M Inact, 64M Wired, 13M Cache, 34M Buf, 3584K Free
> Swap: 512M Total, 60K Used, 512M Free
>
> I just ran 'top' after starting httpd to get these figures, maybe I 
> should have done something different?
> 'bout the only thing that makes sense to me is I have more Free Memory 
> when commenting all those modules.
> What is the list's opinion on this?
>
You should probably use pmap for a more accurate comparison.  you may 
also want to set CFLAGS= -Os for size considerations(CPUTYPE as well), 
and remove unnecessary modules from kernel if you haven't done so already.

-- 
Adam Vandemore
Systems Administrator
IMED Mobility
(605) 498-1610