On 3 Dec 2015, at 15:50, Plüm, Rüdiger, Vodafone Group 
<ruediger.pl...@vodafone.com> wrote:

> How about an async proxy that frees up the thread while waiting on a slow 
> backend?

This is generic httpd thing, not restricted to mod_proxy.

From what I have seen it shouldn't be difficult, we just need a way for EAGAIN 
to be properly handled with the ability to skip forward back to a hook when we 
come back.

I looked at doing this in the filter stack, which is also possible, but doing 
this generically across the server is better.

Regards,
Graham
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