[Zope] Re: Zope 2.8 or 3.1?

[Tres Seaver]

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Sascha Ottolski wrote:
> Am Donnerstag, 27. Oktober 2005 13:20 schrieb Jens Vagelpohl:
> 
>>You just noted one more disadvantage yourself: The system Python is  
>>likely to be out of step with what Zope wants. Furthermore, updates  
>>to the system Python or to add-on packages might have unintended  
>>consequences for your Zope setup.
> 
> 
> well, "might have" is one thing, really experiencing problems is quite 
> different...

It *has* happened to Real Zope Users (TM) in the past, and it *will*
happen again.

One "unintended consequence" of using /usr/bin/python on RHEL / Fedora
boxen, for instance, is that they compile Python with UCS-4 unicode
(four bytes for every unicode character!).  This setting doesn't matter
for short-lived scripts or GUI utils, and may even be superior.  For a
long-running, memory-intensive Python process, it is grossly nefficient.

WRT maintenance of the system:  while at ZC, I actually maintained a
separate 'zc-python' RPM which installed itself in '/opt/zc';  all the
Zope RPMs I maintained depended on 'zc-python' rather than 'python'.

Users whose pagers / cell phones go off if Zope crashes (this is my
definitino of "enterprise user", BTW) should install a separate Python.
 Non-enterprise users can likely get away without it.


Tres.
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Tres Seaver          +1 202-558-7113          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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