[Zope] Transience Error

[Jim Kutter]

Sorry

2.5.1 Linux (binary install - python 2.1.3), The patch is from
http://zope.nipltd.com/public/lists/dev-archive.nsf/b1b1e2c766c8f6c7802568c1
006328f1/cf3a86758036e3ea80256bfd00701917?OpenDocument

As this was exactly the problems I ran into (and still do)

On that machine I have a dual 866mhz, with 1GB ram (which is at 98% use).
That machine is also running apache, mysql, and tomcat, and two zope
instances. Killing tomcat doesn't help much.

load average: 0.12, 0.16, 0.11

So it's not terribly loaded, just memory starved - but starved with 1GB?.

-jim
----- Original Message -----
From: "Chris McDonouogh" <chrism@zope.com>
To: "Jim Kutter" <zope-list@ebizq.net>
Cc: <zope@zope.org>
Sent: Wednesday, November 06, 2002 4:44 PM
Subject: Re: [Zope] Transience Error


> What version of Zope is this?  Which patch do you mean?
>
> On Wed, 2002-11-06 at 15:38, Jim Kutter wrote:
> > Hi Boys and Girls. Major bad news. I have serious problems with the
> > Transience (specifically the sessioning mechanism) snarfing under high
> > loads. Now before you jump to the rescue and mention the patch, I have
> > already installed it, and no luck.
> >
> > What can I do to either reduce the load or circumvent this problem?
> >
> > Here's the traceback...
> > <!--
> > Traceback (innermost last):
> >   File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 150, in
> > publish_module
> >   File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 114, in
> > publish
> >   File /usr/local/zope/lib/python/Zope/__init__.py, line 159, in
> > zpublisher_exception_hook
> >     (Object: membership)
> >   File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 98, in
publish
> >   File /usr/local/zope/lib/python/ZPublisher/mapply.py, line 88, in
mapply
> >     (Object: login.html)
> >   File /usr/local/zope/lib/python/ZPublisher/Publish.py, line 39, in
> > call_object
> >     (Object: login.html)
> >   File
> >
/usr/local/src/Zope-2.5.1-linux2-x86/lib/python/Shared/DC/Scripts/Bindings.p
> > y, line 252, in __call__
> >     (Object: login.html)
> >   File
> >
/usr/local/src/Zope-2.5.1-linux2-x86/lib/python/Shared/DC/Scripts/Bindings.p
> > y, line 283, in _bindAndExec
> >     (Object: login.html)
> >   File
> >
/usr/local/src/Zope-2.5.1-linux2-x86/lib/python/Products/PythonScripts/Pytho
> > nScript.py, line 302, in _exec
> >     (Object: login.html)
> >     (Info: ({'script': &lt;PythonScript instance at 8bc90b0&gt;,
'context':
> > &lt;Folder instance at 8b1d2d8&gt;, 'container': &lt;Folder instance at
> > 8b1d2d8&gt;, 'traverse_subpath': []}, (), {}, None))
> >   File Script (Python), line 45, in login.html
> >   File
> >
/usr/local/src/Zope-2.5.1-linux2-x86/lib/python/AccessControl/ZopeGuards.py,
> > line 47, in guarded_getattr
> >   File /usr/local/zope/lib/python/ZPublisher/HTTPRequest.py, line 851,
in
> > __getattr__
> >   File /usr/local/zope/lib/python/ZPublisher/HTTPRequest.py, line 837,
in
> > get
> >   File
> >
/usr/local/src/Zope-2.5.1-linux2-x86/lib/python/Products/Sessions/SessionDat
> > aManager.py, line 92, in getSessionData
> >     (Object: session_data_manager)
> >   File
> >
/usr/local/src/Zope-2.5.1-linux2-x86/lib/python/Products/Sessions/SessionDat
> > aManager.py, line 175, in _getSessionDataObject
> >     (Object: session_data_manager)
> >   File
/usr/local/zope-prod/lib/python/Products/Transience/Transience.py,
> > line 175, in new_or_existing
> >     (Object: session_data)
> >   File
/usr/local/zope-prod/lib/python/Products/Transience/Transience.py,
> > line 786, in get
> >     (Object: session_data)
> >   File
/usr/local/zope-prod/lib/python/Products/Transience/Transience.py,
> > line 599, in _getCurrentBucket
> >     (Object: session_data)
> >   File
/usr/local/zope-prod/lib/python/Products/Transience/Transience.py,
> > line 688, in _housekeep
> >     (Object: session_data)
> > KeyError: (see above)
> >
> >
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