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Re: HTTP2 DATA frame transmitted at later point for same stream
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From: Kunal Ekawde via curl-library <curl-library_at_lists.haxx.se>
Date: Sat, 20 Nov 2021 21:54:04 +0530
Thanks a lot.
Traced this issue at server side with respect to flow control. On
fixing, we don't see this behaviour now.
On Thu, Nov 18, 2021 at 3:53 PM Daniel Stenberg <daniel_at_haxx.se> wrote:
>
> On Thu, 18 Nov 2021, Kunal Ekawde via curl-library wrote:
>
> > At the server, since DATA is not complete at 13:25:55, it cannot process
> > until balance DATA is transmitted.
> >
> > Any pointer as to why / in which conditions, libcurl can delay sending the
> > DATA packets ?
>
> I can't find a reasonable explanation for that. It needs to be
> debugged/investigated I think. Add trace-points and debug output in the code
> and monitor/compare what wireshark and the server side think of the
> connection.
>
> Maybe related to issue #7977: https://github.com/curl/curl/issues/7977 ?
>
> > libcurl sending more amount of DATA frames crossing WINDOW_UPDATE specified
> > by server ?
>
> I don't understand this question, Can you elaborate?
>
> --
>
> / daniel.haxx.se
> | Commercial curl support up to 24x7 is available!
> | Private help, bug fixes, support, ports, new features
> | https://curl.se/support.html
Date: Sat, 20 Nov 2021 21:54:04 +0530
Thanks a lot.
Traced this issue at server side with respect to flow control. On
fixing, we don't see this behaviour now.
On Thu, Nov 18, 2021 at 3:53 PM Daniel Stenberg <daniel_at_haxx.se> wrote:
>
> On Thu, 18 Nov 2021, Kunal Ekawde via curl-library wrote:
>
> > At the server, since DATA is not complete at 13:25:55, it cannot process
> > until balance DATA is transmitted.
> >
> > Any pointer as to why / in which conditions, libcurl can delay sending the
> > DATA packets ?
>
> I can't find a reasonable explanation for that. It needs to be
> debugged/investigated I think. Add trace-points and debug output in the code
> and monitor/compare what wireshark and the server side think of the
> connection.
>
> Maybe related to issue #7977: https://github.com/curl/curl/issues/7977 ?
>
> > libcurl sending more amount of DATA frames crossing WINDOW_UPDATE specified
> > by server ?
>
> I don't understand this question, Can you elaborate?
>
> --
>
> / daniel.haxx.se
> | Commercial curl support up to 24x7 is available!
> | Private help, bug fixes, support, ports, new features
> | https://curl.se/support.html
-- ~Kunal -- Unsubscribe: https://lists.haxx.se/listinfo/curl-library Etiquette: https://curl.haxx.se/mail/etiquette.htmlReceived on 2021-11-20