[dev] possible "bug" in ngx_http_read_discarded_body_handler

[Manlio Perillo]

Igor Sysoev ha scritto:
> [...]
> 
> Filters may buffer data, e.g. while gzipping and postpone_output.
> Flush allows to flush them and to send them to client.
> 

Ok.

>>>> Its very hard to follow the entire code flow of Nginx!
>>> It is even more complex if you look subreqeust processing.
>>>
>> What is the use case for a subrequest, and how it works?
> 
> Subrequests are used, for example, in SSI includes.
> It's complex thing: nginx may run several subrequests those get data
> from remote sites in parallel. The subrequests may be recursive.
> 

So a subrequest is a fully HTTP 1.1 client?


Thanks   Manlio Perillo