Re: [Zope-dev] Call Profiler strangeness - lots of ZODB transactions
On Tue, 26 Mar 2002 21:29, Toby Dickenson wrote:
On Tue, 26 Mar 2002 15:30:56 +1100, Richard Jones
[EMAIL PROTECTED] wrote:
I'm investigating why our product ZODB is growing when it shouldn't. I've
found that the undo log has entries in it every five minutes saying
Installed product CallProfiler by Zope. More infrequently (not
regularly) we also have Installed product ZOracleDA by Zope.
Was zope restarting (or being restarted) every five minutes?
No, but it is being pinged. By that, I mean that we have a script that tries
to access the ZEO server every five minutes to make sure it's all OK. The
script does the following::
import sys, os
sys.path.append('/app/zope/zopecontrol_code/')
sys.path.insert(0, '/app/zope/zopecontrol_code/lib/python')
os.environ['ZEOPORT'] = '8076'
os.environ['ZEOHOST'] = 'devhost1.off.ekorp.com'
import Zope
# now do stuff with the Zope.app() (we don't actually have to do anything
# to trigger the ZODB note generation - the import is enough)
Now, the problem lies in the way that the CallProfiler gets itself into the
Control Panel. This code was copied from the LeakFinder product, so I assume
it'll have the same problem. The code is::
def installControlPanel(context, panelClass):
from App.ApplicationManager import ApplicationManager
from Acquisition import aq_base
app = context._ProductContext__app
cp = app.Control_Panel
id = panelClass.id
if 0: # Enable to clean up the control panel.
try: del cp._objects
except: pass
cp.id # Unghostify.
if hasattr(cp, id):
return cp._getOb(id)
if cp.__dict__.has_key('_objects'):
# _objects has been overridden. We have to persist.
existing = getattr(aq_base(cp), id, None)
if existing is None or existing.__class__ != panelClass:
cp._setObject(id, panelClass())
else:
# Don't persist what we don't have to.
objects = ApplicationManager._objects
objects = filter(lambda o, id=id: o['id'] != id, objects)
ApplicationManager._objects = objects + (
{'id':id, 'meta_type':panelClass.meta_type},)
try: delattr(cp, id)
except: pass
setattr(ApplicationManager, id, panelClass())
return cp._getOb(id)
Where panelClass is my Product's class.
When the ping script imports Zope, the product is installed. If it's
installed as a regular product, using context.registerClass, all is OK. If
it is installed using the above function, I get ZODB transaction notes of the
form Installed product CallProfiler by Zope 2002-04-08 11:14:10 PM.
It's all a bit black magic for me though. I honestly don't know why half of
the function above actually exists. I'm going to keep looking though, but if
someone could help, I'd be extremely grateful.
Richard
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Re: [Zope-dev] Call Profiler strangeness - lots of ZODB transactions
On Tue, 9 Apr 2002 09:27, Richard Jones wrote:
On Tue, 26 Mar 2002 21:29, Toby Dickenson wrote:
On Tue, 26 Mar 2002 15:30:56 +1100, Richard Jones
[EMAIL PROTECTED] wrote:
I'm investigating why our product ZODB is growing when it shouldn't.
I've found that the undo log has entries in it every five minutes
saying Installed product CallProfiler by Zope. More infrequently (not
regularly) we also have Installed product ZOracleDA by Zope.
Was zope restarting (or being restarted) every five minutes?
No, but it is being pinged. By that, I mean that we have a script that
tries to access the ZEO server every five minutes to make sure it's all OK.
The script does the following::
import sys, os
sys.path.append('/app/zope/zopecontrol_code/')
sys.path.insert(0, '/app/zope/zopecontrol_code/lib/python')
os.environ['ZEOPORT'] = '8076'
os.environ['ZEOHOST'] = 'devhost1.off.ekorp.com'
import Zope
# now do stuff with the Zope.app() (we don't actually have to do anything
# to trigger the ZODB note generation - the import is enough)
Setting the environment var ZEO_CLIENT stops the message - but I guess I'd
like to know why this product is causing the message when none of the others
are. It's all due to the code in installControlPanel, and I'd rather it not
be dodgy :)
Richard
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Re: [Zope-dev] Call Profiler strangeness - lots of ZODB transactions
On Tue, 26 Mar 2002 15:30:56 +1100, Richard Jones [EMAIL PROTECTED] wrote: I'm investigating why our product ZODB is growing when it shouldn't. I've found that the undo log has entries in it every five minutes saying Installed product CallProfiler by Zope. More infrequently (not regularly) we also have Installed product ZOracleDA by Zope. Was zope restarting (or being restarted) every five minutes? Toby Dickenson [EMAIL PROTECTED] ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
[Zope-dev] Call Profiler strangeness - lots of ZODB transactions
I'm investigating why our product ZODB is growing when it shouldn't. I've found that the undo log has entries in it every five minutes saying Installed product CallProfiler by Zope. More infrequently (not regularly) we also have Installed product ZOracleDA by Zope. The Call Profiler was designed specifically not to hit the ZODB - it's in-memory only with. Our setup consists of seven ZEO clients talking to the one ZEO server - the one that's getting all these hits in the ZODB. Does anyone else see this happening? Anyone have any ideas why we're seeing this behaviour? Richard ___ Zope-Dev maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope-dev ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope )
