[rt-users] Hanging Login Page (ModPerl2, HTTPD, Oracle, RHEL5)

Charles Kugelman Charles.Kugelman at kaplan.com
Wed Apr 8 16:04:25 EDT 2009

Thanks for your response Jesse.

The answer that I received from the guy who manages the VM is as

"Snapshots are created for the backup process but they are removed
immediately after it is finished"

I've confirmed that the issue is reproducible by simply letting RT sit
for a couple of hours, untouched (no connections to the front end).

We tried lowering the memory to 768MB and the issue is still present; so
we bumped it back to 2GB.

Any other ideas? Should we be entertaining the idea of moving this off
of a VM?


-----Original Message-----
From: Jesse Vincent [mailto:jesse at bestpractical.com] 
Sent: Tuesday, April 07, 2009 4:22 PM
To: Charles Kugelman
Cc: rt-users at lists.bestpractical.com
Subject: Re: [rt-users] Hanging Login Page (ModPerl2, HTTPD, Oracle,

On Tue, Apr 07, 2009 at 03:58:35PM -0400, Charles Kugelman wrote:
> Joop,
> Thanks for the response. In fact we just bumped the VM to 2GB to see
> that might help the performance issue, it did not.
> We'll give your suggestion a shot and report back.

Out of curiosity, do you have snapshots on the VM your oracle database
is on?

> Thanks again!
> -CK
> -----Original Message-----
> From: Joop van de Wege [mailto:JoopvandeWege at mococo.nl] 
> Sent: Tuesday, April 07, 2009 3:45 PM
> To: Charles Kugelman
> Cc: rt-users at lists.bestpractical.com
> Subject: Re: [rt-users] Hanging Login Page (ModPerl2, HTTPD, Oracle,
> RHEL5)
> Charles Kugelman wrote:
> > Ken,
> > 
> >  
> > 
> > Thanks for the response. The problem in fact presents itself even
> before 
> > we get to that point (the home page). Essentially, it's the login
> > where we see the problem. We come in (in the morning, after RT has
> been 
> > sitting all night with no activity) and open our browsers and we're
> not 
> > presented with the login page, but instead just a white page which 
> > proceeds to "load" for 20 minutes before we're finally prompted for 
> > login. As noted, jamming the F5 button several times will "nudge"
> > login page to appear instantly. CPU util is nearly nothing all the
> time 
> > on this VM, as well.
> That might be your problem, together with something you'll probably
> hard to believe.
> Our setup is more or less the same, Oracle XE together with RT-3.8.2
> Ubuntu in a VM running on VMware server 1.0x and also using 1Gb of 
> memory and that I have found is a breakpoint in performance. Using
> 786Mb of memory will yield a far more responsive system in the
> especially monday morning, than the 1Gb VM. Our test instance is even 
> worse then that. Apaches weekly logrotate, cronjob, will cause Apache
> not restart. A tell tale sign that your VM has gone to 'sleep' is to
> into it. You'll see terrible connection time whereas if you have been 
> using the VM a while it will connect in an instant.
> Maybe this helps you narrow it down,
> Joop
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