On Wednesday 20 July 2016 14:52:10 linnading wrote:
> Hi Francis,
>
> It is "to the same upstream server" that I care about. I would like to
> limit the request rate to the same upstream server.
>
> The Scenarios is like:
> 10 requests at the same time to the same upstream server, the upstream
> server should only receive requests at rate 1r/m. Last few requests will be
> delayed or rejected. But for these last few requests, some of them can be
> served by cache, they should not be delayed/rejected.
>
[..]
While "proxy_cache_lock" isn't what you're asking about, it can significantly
reduce number of requests that reaches your upstream server.
http://nginx.org/r/proxy_cache_lock
wbr, Valentin V. Bartenev
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