[Zope-dev] Re: Zope3, CMS, IDEs

2004-04-24 Thread Chris Withers
Seb Bacon wrote:
P.S. I don't agree with your pessimistic assessment of CMF, or Plone. 
They're both good at what they do.
Funny, I do, and Joachim's the first person to put that into words that made 
sense for me...

Chris

--
Simplistix - Content Management, Zope  Python Consulting
   - http://www.simplistix.co.uk
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[Zope-dev] Re: Zope3, CMS, IDEs

2004-04-23 Thread Seb Bacon
Joachim Werner wrote:
I've proposed that a couple of times already. There are two problems in real 
life: 
 
1) Somebody has to take care of managing the project. 

2) If politics take over, things will quickly fall apart.
I agree.  I hope that Heimo  Paul's session at EP will help work 
through some solutions to these points.

I disagree that performance is a problem in Zope 2. 

I've heard that a couple of times. But let's face it: Of course you can get 
Zope to deliver partly dynamic pages at high speed and if you use caching you 
can deliver pages at wire speed, but it will not be nearly as fast as a 
solution using Java or .NET/C# if we are talking about a lot of two-way 
traffic and CPU-intensive tasks in the back end, e.g. an online shopping mall, 
a booking system, or a groupware.
Well, the site I am talking about is a real-world, huge-traffic, highly 
dynamic, personalised shopping site and multiple bookings system which 
gets millions of visits a day.  It performs very well under extreme load 
in test conditions, *even when you take squid out*: better than the 
previous Java solution.

I would take this as a pretty good indication that performance need not 
be an issue when evaluating Zope.  Let's face it: there are plenty of 
badly-performing Java sites out there ;-)

I do agree that it is hard to find best practice information about this 
subject, though.  I am planning to do a talk about it at Europython.  If 
Chris M doesn't mind, I'll be using some of his material, and 
elaborating on it:

  http://www.plope.org/misc/szweb

The reason the Zope site I'm talking about performs better, IMO, is 
nothing to do with the language, but to do with (a) the better 
application design and (b) the ease of scaling horizontally with ZEO.

seb

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[Zope-dev] Re: Zope3, CMS, IDEs (was: The bleak Future of Zope?)

2004-04-22 Thread Paul Everitt
On Thu, 22 Apr 2004 11:15:58 +0100, Seb Bacon [EMAIL PROTECTED] wrote:

Joachim Werner wrote:
There are quite a few Zope-based CMS solutions out there, and most of  
them are better than their commercial counterparts in many respects.  
But if we had managed to start a joint CMS effort (other than CMF,  
which is a failure by design) two or three years ago things would look  
even better now.
It would be great to start something like a Zope3 CMS interest group up,  
to pool all our CMS experience - start collecting requirements, etc.  
Seems like a mighty large task, though :-)

I'd like to at least have a session on this topic at Europython.
Heimo and I have proposed a panel with the CMS's for Zope, to discuss the  
future of content management in Zope.  My goal is to have a session that  
is structured enough to actually make a constructive step forward, if only  
in understanding and agreement.  Particularly regarding Zope3.

The panelists would be the implementors of current CMSs for Zope.  How  
bout you, Silva, CPS, and Plone?  Any others?

--Paul



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AW: [Zope-dev] Re: Zope3, CMS, IDEs (was: The bleak Future of Zope?)

2004-04-22 Thread Roger ineichen
Paul Everitt wrote
 
 On Thu, 22 Apr 2004 11:15:58 +0100, Seb Bacon [EMAIL PROTECTED] wrote:
 
  Joachim Werner wrote:
  There are quite a few Zope-based CMS solutions out there, 
 and most of
  them are better than their commercial counterparts in many 
 respects.  
  But if we had managed to start a joint CMS effort (other 
 than CMF,  
  which is a failure by design) two or three years ago 
 things would look  
  even better now.
 
  It would be great to start something like a Zope3 CMS 
 interest group 
  up,
  to pool all our CMS experience - start collecting 
 requirements, etc.  
  Seems like a mighty large task, though :-)
 
  I'd like to at least have a session on this topic at Europython.
 
 Heimo and I have proposed a panel with the CMS's for Zope, to 
 discuss the  
 future of content management in Zope.  My goal is to have a 
 session that  
 is structured enough to actually make a constructive step 
 forward, if only  
 in understanding and agreement.  Particularly regarding Zope3.
 
 The panelists would be the implementors of current CMSs for 
 Zope.  How  
 bout you, Silva, CPS, and Plone?  Any others?

Yes, we work on a open source framework based on Zope3
called tiks. 

I'm interested in this, can you point me to the proposal?


 --Paul
 
 
 
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[Zope-dev] Re: Zope3, CMS, IDEs

2004-04-22 Thread Dario Lopez-Kästen
Joachim Werner wrote:


[Seb Bacon wrote:]  

I disagree that performance is a problem in Zope 2.  With a combination 
of profiling to eliminate bottlenecks, ZEO, and Squid, Zope hums along  
beautifully.  We are consulting for a company that is in the process of  
replacing their Java front-end with Zope.  They have huge amounts of  
traffic, and are impressed with Zope's performance compared with their  
comparable Java system. 
 
I've heard that a couple of times. But let's face it: Of course you can get 
Zope to deliver partly dynamic pages at high speed and if you use caching you 
can deliver pages at wire speed, but it will not be nearly as fast as a 
solution using Java or .NET/C# if we are talking about a lot of two-way 
traffic and CPU-intensive tasks in the back end, e.g. an online shopping mall, 
a booking system, or a groupware. 
I have yet to see a comprehensive list of official (as in approved) 
things to consider when designing and building your application and then 
deploying it.

I am not trying to coerce anyone into doing this for me, I am just 
pointing out the situation. There are several docs that go thru 
different aspects, but they are scattered around the net, and there is 
no real, AFAIK, description of do's and don'ts related to Zope 
application desing.

I think these things should go into the manual perhaps. I will try to 
contribute to such an end - eventually a chapter on that might even 
become written ;-)

P.S. I don't agree with your pessimistic assessment of CMF, or Plone.  
They're both good at what they do. 
 
I agree with you that Plone is quite impressive as it is now, but nobody will 
ever convince me that the CMF = Plone way was the right way to go ... Well, 
different people, different tastes ;-) 
This is also something I have never been able to find any comprehensive 
document describing in som depth what the shortcomings of CMF and Plone.

Is there one?

/dario

--
-- ---
Dario Lopez-Kästen, IT Systems  Services Chalmers University of Tech.
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