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Re: QUIC and HTTP/3 roadmap blog post

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image.png 31.7 KB open | download Raminda Subashana 07/14/2021 Read message
image.png 29.3 KB open | download Raminda Subashana 07/14/2021 Read message
image.png 34.5 KB open | download Raminda Subashana 07/14/2021 Read message
image.png 33.6 KB open | download Raminda Subashana 07/14/2021 Read message
nginx-quic_compressed.pdf 199.4 KB open | download Raminda Subashana 07/14/2021 Read message
nginx.conf 1.5 KB open | download Raminda Subashana 07/14/2021 Read message
nginx-1.16.1_compressed.pdf 198.6 KB open | download Raminda Subashana 07/14/2021 Read message
Vladimir Homutov
July 16, 2021 06:52AM
On Tue, Jul 13, 2021 at 05:29:15PM +0530, Raminda Subashana wrote:
> Hi Maxim,
>
> Just tested nginx-quic release and there is a performance issue. I compared
> it with Cloudflare quic experimental release which is based on nginx 1.16.
>
> It is almost 3 times slower than 1.16. Below config worked for me and it
> never advertised h3-29. if you have specific config file to test appreciate
> if you can share
>

Hello Raminda,

I've just looked at your results (in your letter 14/07 with PDFs
attached), and here is a summary:

---------+--------------+-------------+
metric | nginx-1.16.1 | nginx-quic |
---------+--------------+-------------+
| | |
avg rps | 25 | 25 |
max rps | 80 | 61 |
| | |
avg resp | 564 | 597 |
95% resp | 570 | 591 |
max resp | 1550 | 1342 |
| | |
---------+--------------+-------------+
| | |
FCP* | 0.4 s | 0.6 s |
SI | 0.8 s | 3.7 s |
LCP | 0.4 s | 0.9 s |
TTI | 0.5 s | 1.9 s |
TBT | 0 ms | 0 ms |
CLS | 0.016 | 0.015 |
| | |
Rx | 240.973 | 240.489 |
Tx | 388.72 | 388.524 |
---------+--------------+-------------+

* First Contentful Paint, Speed Index,
Largest Contentful Paint, Time To Interactive,
Total Blocking Time, Cumulative Layout Shift

Looking at it, I don't see any real difference, except in metrics
related to rendering, like some syntetic 'Speed Index'.

You may want to dive into details how your application interacts with
server and find out what happens, if such results are repeatable. Maybe
some difference in HTTP/3 implementation affect it, but I have no idea
how this index is calculated.

Also, 25 rps is really low load, unless your system is a very slow
machine. What are the parameters of your machine?

Finally, I'd like to know, how did you manage to get QUIC HTTP/3 support
in k6.io ? I don't see it in opensource version? Is it some dev branch?





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Subject Author Posted

QUIC and HTTP/3 roadmap blog post

Maxim Konovalov July 13, 2021 04:16AM

Re: QUIC and HTTP/3 roadmap blog post

Mathew Heard July 13, 2021 04:56AM

Re: QUIC and HTTP/3 roadmap blog post

Raminda Subashana July 13, 2021 05:10AM

Re: QUIC and HTTP/3 roadmap blog post

Raminda Subashana July 13, 2021 08:00AM

Re: QUIC and HTTP/3 roadmap blog post

Vladimir Homutov July 13, 2021 09:16AM

Re: QUIC and HTTP/3 roadmap blog post

Raminda Subashana July 13, 2021 10:26AM

Re: QUIC and HTTP/3 roadmap blog post Attachments

Raminda Subashana July 14, 2021 06:40AM

Re: QUIC and HTTP/3 roadmap blog post

Vladimir Homutov July 15, 2021 04:26AM

Re: QUIC and HTTP/3 roadmap blog post

Vladimir Homutov July 16, 2021 06:52AM

Re: QUIC and HTTP/3 roadmap blog post

Vladimir Homutov July 13, 2021 09:20AM

Re: QUIC and HTTP/3 roadmap blog post

Mathew Heard July 13, 2021 09:38AM

Re: QUIC and HTTP/3 roadmap blog post

Marcin Wanat July 13, 2021 08:44AM

Re: QUIC and HTTP/3 roadmap blog post

Vladimir Homutov July 15, 2021 04:12AM



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