[rt-users] Very high Apache CPU usage after upgrading to 4.0.0

[Jonah Hirsch]

I did some more digging, and it turned out that it was mod_deflate that was
causing the problem. Disabling it solved my speed woes, but it still raises
the question, why is mod_deflate only slowing the system on RT and not any
of the other sites hosted on this box?
-----------------------
Jonah Hirsch


On Mon, May 9, 2011 at 2:45 PM, Ruslan Zakirov <ruz at bestpractical.com>wrote:

> Hi,
>
> If system doesn't hang and completes requests then you should collect
> profile with MasonX::Profiler.
>
> Also, earlier release candidates of 4.0.0 had problem that could cause
> such behaviour. Try installing into a clean dir to be sure.
>
> On Mon, May 9, 2011 at 11:33 PM, Jonah Hirsch <jwh83 at nau.edu> wrote:
> > The XML::SAX message was related to our global authentication system.
> I've
> > changed it to use XML::LibXML::SAX::Parser, but I still get 100% CPU
> usage
> > from apache when loading any page on 4.0.0
> > Also, for what it's worth, according to htop, the apache process that
> only
> > uses one core in the system, but it causes the system to act like the
> entire
> > chip is being used.
> > -----------------------
> > Jonah Hirsch
> >
> >
> > On Sat, May 7, 2011 at 6:19 AM, Ruslan Zakirov <ruz at bestpractical.com>
> > wrote:
> >>
> >> XML::LibXML::SAX::Parser
> >
>
>
>
> --
> Best regards, Ruslan.
>
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