FYI,
Back during 2.6.x, I developed my whole system on a Windows Laptop,
migrated to a Windows ZEO System, 1 client, 1 server. Then moved the
ZEO client & server to Red Hat AS 2.1, and now finally to SuSE
9.0. The only differences for me were the steps in installing PIL
(Python Imaging Library) on Linux vs. Windows. I had to wait to be
more comfortable deploying on Linux, but Zope was obviously ready for
Linux long before I was.
If you can stay away from platform-dependent products, and their
dependencies, (Photo Product & ImageMagick for one), you should be
able to mix and match. The underlying python seems to facilitate this
being a sort of intermediary compatibilty layer. My approach was to
make sure every component and dependency was python based.
Make sure to follow the directions for ZEO client/server compatibility,
but those are python concerns.
As for performance, I found Linux to be a large boost, especially when
run without a GUI... the nature of the beast seems to lean toward Linux
for good reason.
The other item you'll find on the list, is that a ZEO configuration is
much more stable and forgiving than the quite-stable stand-alone Zope.
Even internal Zope routines run better in a ZEO setup.
-Jon Cyr
WeddingWeblog.com
J Cameron Cooper wrote:
ken
wood wrote:
I appreciate all the great tips on the
cionfiguration issue. But my main issue is about infrastructure:
Which hardware and / or operating systems can be used for a Zope/Zeo
system.
OS: pretty much any Unixish OS, though on anything but Linux, BSD, and
Mac OS X (and maybe Solaris) you may run into some small problems. Also
Windows.
Hardware: anything with enough juice that can run your OS. Not very
specific, I know, but it all depends on the performance you need. Less
than .5 hits/sec and pretty much anything that'll load Zope will work.
In particular, can I run a Zope instance on
my Win32 server and have a Zeo Server/Clients on my Linux server?
Sure. Why not?
If I use all the same versions (Python, Zope
and Plone and Products) can I use a multi-OS infratructure?
Almost certainly. There are a few OS-specific Products, though, but
that only matters on the ZEO client (except for storages, which only
matter on the ZEO server.)
You don't even have to match versions, save for sanity. ZEO is not a
tightly-coupled communications protocol. Consider:
Windows
Python 2.3.4
Zope 2.7.5
ZEO client - SomeProduct 1.1
Linux
Python 2.3.3
Zope 2.7.3
ZEO server - no products
ZEO client - SomeProduct 1.0
ZEO command line client, for debugging
This would work fine. All three ZEO clients would have the same data
(that from the ZEO server), even with different software.
--jcc
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