> We use nginx's retry mechanism on timeout and errors, but we'd like to > have some way (custom header \ url param) to make our web server know that > the request its handling is actually a retry. > > We've tried adding $proxy_add_x_forwarded_for and $upstrea_addr but the > first didn't return the correct IP and the second was always empty. > We've also tried using $request_time as a way to heuristically guess if > this is a retry but it seems to be calculated once before the first request > and reused on the following retries. > > Is it possible? > > We've nginx plus license if there's a feature we can use there for that. > > Thanks! >
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