Varnish could build an Etag based on all collected Etags from the backend

[Andreas Plesner]

On Wed, Nov 30, 2016 at 03:40:03PM +0100, Jordi Llach wrote:
> From my ignorance sounds strange as the final response is a composition of
> multiple sub-requests, which in turn are cached individually.

But the response body isn't rendered until after the headers have already been
sent. So varnish doesn't know about the full list of ESI includes until after
the body is sent.

-- 
Andreas