[Zope] Zope and memory leaks

[Stefan H. Holek]

This smells very much like http://collector.zope.org/Zope/421.
Apply one of the workarounds or the patch mentioned in the collector issue 
and see whether you situation changes. This is fixed in Zope 2.6 BTW.

HTH,
Stefan


--On Montag, 30. September 2002 12:30 -0700 Howard Hansen 
<howardh@halfmagic.com> wrote:

> Thanks for everyone's help with my server questions a couple of weeks ago.
> Last week, the hammer fell and they turned the power off at our ISP.  I
> lost 275 days of server uptime!  Worse, our server remains physically
> inaccessable, locked away and subject to bankruptcy actions.  Not a pretty
> picture.
>
> I scrambled and built a new server from a borrowed mobo, a processor
> destined for my wife's computer, and other offal.  Debian cooperated and
> loaded cleanly.  I stopped Zope, copied over a week-old Data.fs backup,
> installed one missing product, repointed my port 80 to the new machine,
> futzed with Apache, and got back up by the time the DNS changes filtered
> through.  My 640/256 ADSL line is handling over 2000 hits/hr.  Phew!
>
> Here's my question, though.  On my old machine, the Zope process leaked
> memory like all get-out.  For instance, in a mere 14 hours, it went from
> 75MB to 285MB.  I had to restart the Zope process daily.  Here's the
> output of the debug page:
>
> Class                                           00:28     14:37     Delta
> -------------------------------------------------------------------------
> Acquisition.ImplicitAcquirerWrapper            16,253   107,895   +91,642
> ZPublisher.HTTPRequest.HTTPRequest              3,267    19,872   +16,605
> ZODB.POSException.ConflictError                 2,171    13,067   +10,896
> OFS.Folder.Folder                               1,807     7,362   + 5,555
> ZServer.HTTPResponse.ZServerHTTPResponse        1,094     6,635   + 5,541
> ZPublisher.BaseRequest.RequestContainer         1,091     6,632   + 5,541
> ZPublisher.BaseResponse.BaseResponse            1,089     6,621   + 5,532
> ZServer.HTTPResponse.ChannelPipe                1,087     6,619   + 5,532
> AccessControl.DTML.TemplateDict                    42       121   +    79
> Products.CMFCore.FSDTMLMethod.FSDTMLMethod          6        82   +    76
> OFS.Image.Image                                   286       333   +    47
>
> Memory Usage                                     75MB     285MB     210MB
>
> This problem only cropped up on the old server in the past 2 months.
> Running on the new server, I no longer have this problem.  It's run at a
> steady 40MB for 5 days.
>
> Both machines run Debian Woody.  Any ideas about what's going on?  Do I
> need to reboot the server more frequently?  Have I missed something?
>
> Howard Hansen
> http://howardsmusings.com

--
Those who write software only for pay should go hurt some other field.
/Erik Naggum/