Slow OPTIONS requests with reverse proxy cache

Roger Fischer roger at
Thu Jan 24 02:02:09 UTC 2019

Oops, my mistake. I was looking at the wrong logs. The upstream connect and response times are indeed reported.

Now that I have analyzed the timing logs, I see that there is a networking issue between the proxy and the origin.


> On Jan 23, 2019, at 10:00 AM, Maxim Dounin <mdounin at> wrote:
> Hello!
> On Wed, Jan 23, 2019 at 09:03:33AM -0800, Roger Fischer wrote:
>> I am using the community version of NGINX, where these variables 
>> are not available (I was quite disappointed by that).
> Again: these variables are available in all known variants of 
> nginx.  In particular, the $upstream_response_time variable was 
> introduced in nginx 0.3.8, released in 2005, and available even in 
> really ancient nginx versions.
> -- 
> Maxim Dounin
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> nginx at

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