[ic] IC not responding

[Ron Phipps]

> From: interchange-users-bounces at icdevgroup.org
[mailto:interchange-users-
> bounces at icdevgroup.org] On Behalf Of Stefan Hornburg
> Sent: Monday, November 14, 2005 11:12 AM
> 
> Ron Phipps wrote:
> >>From: interchange-users-bounces at icdevgroup.org
> >
> > [mailto:interchange-users-
> >
> >>bounces at icdevgroup.org] On Behalf Of jeff at hisgirlfridays.com
> >>Sent: Friday, November 11, 2005 11:24 AM
> >>
> >>On Fri, Nov 11, 2005 at 08:40:30AM -0800, Ron Phipps wrote:
> >>
> >>
> >>>We've got a weird issue going on right now where all of a sudden IC
> >
> > will
> >
> >>>stop servicing requests and utilization of the server goes to just
> >
> > about
> >
> >>>0.  If I restart IC everything goes back to normal.  This has gone
> >
> > on
> >
> >>>for the last 3 days at different points in the day.  The ip address
> >>
> >>The next time this happens, restart apache instead of IC and tell me
> >
> > if
> >
> >>it goes back to normal.  If it does, then I have more to say about
the
> >>issue and also have a potential fix.
> >>
> >>Jeff
> >
> >
> > Unfortunately this was not the case.  The potential fix of using
> > apache's MaxRequestsPerChild 1000-5000 did not seem to help.
> >
> > Does anyone know of a way to troubleshoot IC, perhaps with debug
> > statements to see why it can no longer handle requests?  IC is still
> > running, I can see all the rpc servers, however they do not take up
much
> > cpu usage and it's almost like they are not even there.
> > Apache/mod_interchange does not error out and a restart of IC
instantly
> > allows Apache to start handling requests again.
> 
> First of all you should try to strace all the IC processes to see if
it
> does system calls and watch your logfiles (IC and system logfiles) as
> well.
> If no system calls happened it might caught up in an infinite loop
> somewhere.
> 
> Bye
> 	Racke

Hello Racke,

I'm not familiar with strace, could you give a quick example that be
useful for Interchange?

Thanks!
-Ron