On 3/4/09 21:20, David E. Wheeler wrote:
> On Apr 3, 2009, at 6:11 PM, Philippe M. Chiasson wrote:
> 
>>> It seems to be slow there, too. It takes about 6 seconds to start up
>>> (Apache/2.2.8 (Unix) mod_ssl/2.2.8 OpenSSL/0.9.8g
>>> mod_apreq2-20051231/2.6.0 mod_perl/2.0.4 Perl/v5.10.0)
>>
>> Any insights on what's it doing when it's acting up slow?
>>
>> I'd look at running httpd under strace (or equivalent) just to get  
>> an idea
>> as to what it's doing that's so different than the static case.
> 
> No. It does seem like if I stop and start very quickly on my Mac, the  
> startup is pretty quick, just a few seconds. But if I wait 30-60s  
> after shutting down before starting up again, it's slow again. But  
> it's not always quicker on the quick restart.
> 
> Otherwise, the only other thing I've noticed is that it's never slow  
> with static mod_perl1.
> 
> Where do I find something to tell me how to use strace with Apache on  
> Mac OS X? Pointers appreciated.

Assuming you are running 10.5, try dtruss

$> sudo dtruss /path/to/my/httpd -X [...]

Should spew out what it's up to.

But this could be very well just be cost you are paying for loading a bunch
of shared libraries, it's not something blazing fast on OS X. Just guessing.

-- 
Philippe M. Chiasson     GPG: F9BFE0C2480E7680 1AE53631CB32A107 88C3A5A5
http://gozer.ectoplasm.org/       m/gozer\@(apache|cpan|ectoplasm)\.org/

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