Hello!

On Wed, Jul 17, 2013 at 06:48:53PM +0800, Tsz Ming WONG wrote:

> Thanks for the explanation.
>
> But given that this is a busy server, sound abnormal if it always return a
> 0? (according to the doc: reading - nginx reads request header)

Reading request headers happens almost immediately, especially if
request headers fit into a single packet. That is, the number is
expected to be near 0 even on a busy system unless there are some
specific conditions like big cookies used.

--
Maxim Dounin
http://nginx.org/en/donation.html

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