Well, it is impossible if you'd use some memory blocks allocated by
nginx within main request.
The memory allocated inside the request is released on request end.
An example how one can implement non-blocking delay can you see in
https://github.com/openresty/echo-nginx-module#echo_sleep [2].
Hello All,
I am currently implementing a response header filter that triggers one or more
subrequests conditionally based on the status of the parent response.
I want to introduce some delay between the checking of the response and the
triggering of the subrequest, but I do not want to block the
