Re: [MODULES]apache running slow in production

2008-03-31 Thread Sam Carleton
I would like to thank one and all for your help.  I took Ray's advise
and created a basic timing class (my code is C++) that captured elapse
time and put that around all the main calls in my code and found the
bug.  It was something REALLY stupid on my part, isn't always;)

Again, thanks you all for your help!

Sam


Re: [MODULES]apache running slow in production

2008-03-28 Thread Michael Thomas

Sam Carleton wrote:

Folks,

Part of my web application contains an Apache C Module, mostly it is a
handler to control access and to serve up images, but another part of
it does access a SQLite database, which isn't called a whole lot.  On
my development machine which is a 2.8GHz P IV, the module serves up 12
images very quickly.  One of my customers is reporting that it is
taking 45 seconds on a Duo Core 1.8GHz machine!  If is wasn't for the
fact that my customer is 15 hours away, I would go check it out in
person.  Such as life.

Does anyone have any thoughts on how I can trouble shoot this
remotely?  I can compile and send new code to the customer, I just
don't know exactly what I might do to collect data.
  


Get them to look at what memory/cpu allocation running at on their box? 
Can they run a test from the box itself (ie. eliminate the network as a 
possibility)

Sam
  




Re: [MODULES]apache running slow in production

2008-03-28 Thread Joel Westerberg

I would suggest running strace or ptrace on it during that request.


On Mar 28, 2008, at 21:32 , Sam Carleton wrote:

On Fri, Mar 28, 2008 at 3:50 PM, Michael Thomas  
[EMAIL PROTECTED] wrote:


Get them to look at what memory/cpu allocation running at on their  
box?
Can they run a test from the box itself (ie. eliminate the network  
as a

possibility)


Good questions.  Already checked both: while Apache is serving up the
12 images, the CPU is at 100%, when it is done, the cpu goes right
back down, even when hitting it from the server.

Sam