Does it possible to submit duplicated request with the proxy_next_upstream on

[任勇全]

Sorry I can’t get it .

If host A has added the counter and failed to response, the request would be failed over to host B with successful response, so the counter would be added twines. Wouldn’t it ?
在 2014年1月14日，下午5:48，itpp2012 <nginx-forum at nginx.us> 写道：

> Unless the request is getting que'd while there is a short wait for host A
> to get online AND fail-over is also happening, its not likely to be added
> twice.
> 
> Posted at Nginx Forum: http://forum.nginx.org/read.php?2,245979,246388#msg-246388
> 
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