We have seen this with Apache 1.3.  I don't think it was a WO specific issue 
though.

Chuck


On Jan 19, 2011, at 10:50 AM, Tim Worman wrote:

> I have an app that, during the course of normal usage, is starting httpd 
> processes on the server that instantly hit 100% CPU usage of one core. This 
> can happen multiple times during times when the app is under heavier load. 
> After some time I can have many httpd processes where TOP reports each using 
> 100% of a core. When I try to log into the app and poke around to try and 
> reproduce the issue, I am unable.
> 
> Does anyone have any pointers as to how I can try to narrow down specific 
> requests or conditions that may be causing these processes to be spawned?
> 
> This app was just recently moved to MOSXS/Intel. Previously it ran on MOSXS 
> 10.5/PowerPC and I didn't see the same problems there. Truthfully though, it 
> could be caused by some other change I made since but I thought the 
> architecture could be an important factor if someone else has seen similar 
> symptoms.
> 
> Tim Worman
> UCLA GSE&IS
> 
> 
> 
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-- 
Chuck Hill             Senior Consultant / VP Development

Practical WebObjects - for developers who want to increase their overall 
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