Nginx lua capture_multi fire and forget

Yichun Zhang (agentzh) agentzh at
Sat Oct 26 06:09:04 UTC 2013


On Wed, Oct 23, 2013 at 2:46 AM, PieterVI wrote:
> Is there a way to have the lua module launch the requests without waiting
> for the response?
> It should fire the requests and continue directly afterwards and forget
> about the response handling.
> I could try and modify the lua module, but I'm not really familiar with
> C/C++ coding.

Completely forget the response handling is not a really good thing to
do here. You can, however, make the upstream requests and response
handling run in the "background" without adding any latency to your
downstream requests. Basically, you can just use ngx_lua's timer API
and lua-resty-http-simple library for this:

The only limitation (right now) is that lua-resty-http-simple does not
support https yet. Hopefully you don't use it.

BTW, it looks like you're trying to do something that tcpcopy may help you:

BTW 2: you may want to join the openresty-en mailing list for such
questions so that you may get faster responses:

This is also recommended in ngx_lua's official documentation:

Best regards,

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