> On Jun 5, 2015, at 1:47 PM, James Peach <jpe...@apache.org> wrote:
> 
>> 
>> On Jun 5, 2015, at 10:45 AM, Leif Hedstrom <zw...@apache.org> wrote:
>> 
>> 
>>> On Jun 5, 2015, at 1:22 PM, Alan Carroll 
>>> <solidwallofc...@yahoo-inc.com.INVALID> wrote:
>>> 
>>> The chaining would only be inefficient the first time, after that the 
>>> original request (that starts the chain) will just serve the cached 
>>> content. Even if the chain is unstable as long as the final content is 
>>> identical that's not a problem. 
>> 
>> 
>> Not sure I understand. First, there’s no guarantee that the 3xx (or 
>> whatever) is a cacheable response. So there might be real use cases for 
>> collapsing to avoid such inefficiencies.
>> 
>> But more importantly, in the case of the escalate.so plugin, it’s not an 
>> origin generated redirect. It’s piggy backing on these features, generating 
>> the “redirect” in the plugin. It’d be undesirable for sure to have to go to 
>> origin every time to be able to generate this redirect.
>> 
>> So unless we implement an alternative way for escalate.so to function, I 
>> think we need to retain the original (current) behavior of collapsing the 
>> responses. I’m not opposed at all to the chaining feature (I can see use 
>> cases for that too), but if we do, we have to make it possible for existing 
>> plugins (like escalate.so) to function as intended. I’m pretty sure 
>> Sudheer’s use case is basically the same as the escalation plugin as well?
> 
> Yeh, all I'm trying to do here is define the terminology and behaviour so 
> that we can meaningfully talk about what is actually implemented :)


Yep, it’s great. +1 on the terminology, since this is basically something we 
have invented ourselves :).

— Leif

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