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From Mike Jakubik <mike.jaku...@intertainservices.com>
Subject Re: apr 1.4.4 breaks mod_jk
Date Tue, 17 May 2011 21:58:49 GMT
On Tue, 2011-05-17 at 17:52 -0400, Jeff Trawick wrote:


> 
> you updated Apache 2.2.x from 2.2.what to 2.2.what?
> 


2.2.17 to 2.2.18. I can however also reproduce the problem in 2.2.17, it
seems to be specific to the apr version.


> (you updated apr 1.4.2 to 1.4.4)
> 
> >
> > PID USERNAME    THR PRI NICE   SIZE    RES STATE   C   TIME   WCPU COMMAND
> > 11241 www           1 114    0 61492K 11200K CPU0    0   0:53 78.96% httpd
> > 11237 www           1 110    0 61492K 11276K RUN     1   0:40 66.26% httpd
> > 11238 www           1 108    0 61492K 11276K RUN     0   0:50 56.05% httpd
> 
> get syscall trace of high cpu process?
> attach with debugger, find callstacks, let it run a while, get
> callstacks again, see if there are threads that didn't make useful
> progress?
> 


I'm not a programmer but I’ll see what i can get. Any information as to
how to do this would be appreciated.


> >
> > Process takes up all resources and is unresponsive, no errors are logged.
> 
> happens immediately, gradually, immediately after some unknown event occurs?
> 


Pretty much right after i start apache the pids start to consume cpu
time.


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