Hello!

On Sat, Aug 01, 2020 at 04:31:14PM -0400, anish10dec wrote:

> We are observing a behavior where request time and upstream response time is
> logged as same value when request is MISS in log file.
>
> And when there is HIT for the request , request time is logged as 0.000 for
> all the requests.

nginx updates internal time only once per event loop iteration, so
it is relatively easy to see $request_time logged as 0 (or
identical to $upstream_response_time as long as there was an
request to upstream). This implies:

- the request can be read immediately without waiting for
additional data from client;

- the response is small enough to fit into the socket buffer.

--
Maxim Dounin
http://mdounin.ru/
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