$request_time meaning

[Maxim Dounin]

Hello!

On Mon, Nov 21, 2011 at 08:41:15PM +0200, Calin Don wrote:

> Hi,
> How is the $request_time calculated in the case of a proxied request. I'm
> interested especially in the case where the resource is stale in cache.

$request_time is always time since start of the request (when 
first bytes are read from client) till end of the request (when 
last bytes are sent to client and logging happens).

Maxim Dounin