[ic] IC not responding

Ron Phipps rphipps at reliant-solutions.com
Mon Nov 14 20:59:46 EST 2005


> From: interchange-users-bounces at icdevgroup.org
[mailto:interchange-users-
> bounces at icdevgroup.org] On Behalf Of jeff at hisgirlfridays.com
> Sent: Monday, November 14, 2005 4:13 PM
> 
> On Tue, Nov 15, 2005 at 12:05:55AM -0000, John1 wrote:
> 
> > >>>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.
> > Do you know if you are bumping up against your Apache MaxClients
setting
> > (in httpd.conf)?
> 
> I just realized that at the same time that I set the
> MaxRequestsPerChild directive to 10000 I also doubled my MaxClients,
so
> it definitely could be the latter that resolved the issue on my
system,
> instead of the former as I had assumed.
> 
> 
> Jeff

I think that's it.  I returned MaxRequestsPerChild back to 0 and will be
recompiling Apache to set MaxClients higher then 256 tonight.  Thanks
for your continued help and information!

-Ron



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