[Zope] Zope eating CPU/RAM - how do I find the culprit?

[Chris McDonough]

Turning on detailed logging at startup might help too... read about the -M
argument in the z2.py script and read my Howto regarding "How To Track Down
Hangs" at http://www.zope.org/Members/mcdonc/HowTos/DEBUG-LOG


"Cees de Groot" <cg@cdegroot.com> wrote in message
news:92ghr3$jf3$1@gaia.intranet.cdegroot.com...
> Dieter Maurer <dieter@handshake.de> said:
> >Cees de Groot writes:
> > > ... excessive CPU/memory consumption ...
> >If you use Zope 2.2.x, you can try to access the debug tools
> >in the "Control Panel". They will show you, which request
> >is active (to more easily reproduce and analyse the problem)
> >and how the reference counts are changed.
> >
> The problem is, apparently the thing gets in a really tight loop - one
> threads blocks the rest of Zope, so it is quite hard to use these
> tools (especially not when the whole thing is not - yet - reproducable,
> sometimes it happens in an hour, sometimes after 12 hours; a bit hard
> to keep staring at the screen for 12 hours :-)).
>
> As a bit of an act of despair, I'm currently logging Zope's CPU usage
> every 5 seconds in a log file, hopefully I can match a rise in CPU time
> with some request in the server logs.
>
>
> --
> Cees de Groot               http://www.cdegroot.com     <cg@cdegroot.com>
> GnuPG 1024D/E0989E8B 0016 F679 F38D 5946 4ECD  1986 F303 937F E098 9E8B
>
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