[Zope3-dev] Twisted Publisher and Zope 2

[Jim Fulton]

Has anyone verified that ZEO doesn't work when using the twisted server? Has anyone
noted any negative symptoms?  I expect that ZEO does still work, although in a less
than optimal way.

Jim

Dario Lopez-Kästen wrote:
> Stephan Richter wrote:
> 
>> On Thursday 08 December 2005 08:29, Sidnei da Silva wrote:
>>
>>> On Thu, Dec 08, 2005 at 08:18:49AM -0500, Stephan Richter wrote:
>>> | On Thursday 08 December 2005 07:06, Sidnei da Silva wrote:
>>> | > Just one thing that struck me right now. ZServer uses 
>>> medusa/asyncore
>>> | > and twisted has it's own 'main loop'. How do they play together in
>>> | > Zope 3? Or they dont?
>>> |
>>> | They don't. Either you use ZServer or you use Twisted, but not 
>>> both. So
>>> | if you want to use Twisted-specific packages, like the scheduler, you
>>> | have to use twisted, otherwise you are out of luck. I think this is
>>> | totally fine.
>>>
>>> What's the situation with ZEO then? The ZEO 'zrpc.client' uses
>>> ThreadedAsync.register_loop_callback(), which is a evil monkeypatch to
>>> asyncore. I haven't seen that change recently, so I assume this has
>>> been ignored?
>>
>>
>>
>> Yep. Nobody has complained to us about this yet. I personally do not 
>> use ZEO, so I could not fix the issue anyways.
>>
> 
> I don't expect other people for me to fix this for me, but I suggest 
> that this be noted somewhere where it can be seen, because ZEO is quite 
> important for us running larger sites.
> 
> Even though many people do not use ZEO themselves, when considering and 
> comparing web-app frameworks, it is a major pro for Zope to be able to 
> provide cluster capabilities out of the box.
> 
> So the capability to use an alternative to ZServer for ZEO sites should, 
> I suggest, be considered as a desirable future feature by ye Zope3 Gods.
> 
> My 0.02 €
> 
> /dario
> 


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