Http2 idle connection and worker shutdown

[Jojy Varghese]

Thanks again Maxim. Response inlined.


> On Oct 20, 2022, at 6:43 PM, Maxim Dounin <mdounin at mdounin.ru> wrote:
> 
> Hello!
> 
> On Thu, Oct 20, 2022 at 06:09:11PM -0700, Jojy Varghese via nginx-devel wrote:
> 
> [...]
> 
>>> If you think that nginx does something wrong, you may want to 
>>> elaborate on the details of the incorrect behaviour you observe 
>>> (as well as why you think it's incorrect, and how would you like 
>>> to improve it).
>> 
>> We ran into a problem where the connection close (as described 
>> above) causes some clients (chrome browser) to fail long running 
>> (large) downloads using h2. This is I think because these 
>> clients send a WINDOW UPDATE towards the end and Nginx sends a 
>> TCP RST since the connection is closed. 
> 
> So it looks like you are running into the race condition the 
> lingering close is expected to solve.  You may want to upgrade 
> nginx then.

Indeed  looks like that :).  I think the lingering close should solve the problem/race condition we are seeing.


> 
> Note well that lingering close support in HTTP/2 was added in 
> nginx 1.19.1, more than two years ago, and the last nginx version 
> without it is not supported for more than a year.
> 
> -- 
> Maxim Dounin
> http://mdounin.ru/
> _______________________________________________
> nginx-devel mailing list -- nginx-devel at nginx.org
> To unsubscribe send an email to nginx-devel-leave at nginx.org