Re: [Zope-dev] 2.6 - 2.7 upgrade

2003-09-21 Thread Chris McDonough
That's about what it boils down to.  There are no utilities or plans to
make utitlities to automate it further.

On Fri, 2003-09-19 at 21:20, Andy McKay wrote:
 Anyone got a bright idea how to upgrade users from 2.6 to 2.7? Im 
 specifically thinking via the Windows installer here.
 
 A few files (probably) have to be moved around, no problem.
 Specifically Im thinking a users command line switches have to be turned 
 into a ZConfig file.
 
 Fortunately for Plone I can read the registry and convert into a 
 ZConfig, but no idea what the Zope Corp installer will do... I basically 
 see that there is no automated upgrade. Back it up, install the new one 
 and then read the docs...


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Re: [Zope-dev] PCGI-Problem

2003-09-21 Thread Casey Duncan
On Friday 19 September 2003 04:31 am, Andre Schubert wrote:
 On Thu, 18 Sep 2003 14:32:52 +0200
 Andre Schubert [EMAIL PROTECTED] wrote:
 
  Hi all,
  
  i have a little problem.
  We have several Zope's running in our company.
  Versions are 2.5.1,2.6.1,2.6.2. All are running on Redhat Linux.
  All versions have the same problem, if i access them via pcgi and hit the 
Restart
  button in the Control Panel then the server goes down.
  If i do the same via ZServer port 8080 everything works fine.
  
 Hi all,
 
 i think i have found a solution.
 A patch is included for PCGIServer.py.
 Could anybody check this patch please.
 If there are no problems i could file a bug into the collector.

I would recommend putting it into the collector so that it does not get lost. 
Please ignore the muted sound of laughter in the background... ;^)

-Casey

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Re: [Zope-dev] Catalog performance

2003-09-21 Thread John Barratt
[EMAIL PROTECTED] wrote:
Just my 2 cents observation...
I ran this code and monitored the page Cache extreme detail in ZMI 
ControlPanel  DebugInfo.
With this method, the object was not loaded. However the intermediate
objects that the unrestrictedTraverse() passed by were loaded into memory.
e.g. If doc.getPath() is '/x/y/z/myobject', myobject was not loaded but x,
y, and z were loaded into memory.
This is a good point, and for catalog based retrievals of objects may be 
difficult (but not impossible) to avoid excess objects remaining in the 
cache.  If however you are doing a walk of part of your ZODB tree 
(unlike 'randomly' accessing objects from the ZODB like this) you could 
ensure that you do a depth first traversal, then as you come back up the 
tree, traversed nodes that weren't active before the walk would be 
deactivated.

eg something like this external method :

def traverseTree(self):
''' Traverse the tree and do something. '''
was_ghost = self._p_changed is None

for ob in self.objectValues():
traverseTree(ob)
# XXX Do something with self here :
self.doSomething()
if was_ghost:self._p_deactivate()

This should ensure that any 'traversed over' nodes that were previously 
not active are de-activated.

JB.

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