Re: [jetty-users] HTTP/2 requirements

[Joakim Erdfelt <joakim@xxxxxxxxxxx>]

How do you enable HTTP/2 in your embedded application?

Also, If you have configured your SslContextFactory, what does this configuration look like?

Lastly, what does your ThreadPool / Executor configuration look like?

Joakim Erdfelt / joakim@xxxxxxxxxxx

On Tue, Nov 20, 2018 at 9:01 AM Silvio Bierman <sbierman@xxxxxxxxxxxxxxxxxx> wrote:

Hello all,

We are running Jetty 9.4.14 embedded in an application that runs on a
number of Ubuntu 18.10 servers. Last night we switched from HTTP1.1 only
to HTTP2. Today we are experiencing serious problems. Users can not
access the application or are experiencing extremely long latencies. At
the same time the server is almost idle.
We have configured the Ubuntu servers as almost default setups.
OpenJDK11 with Jetty using pure Java HTTPS. We have been doing this for
years now and each time we switched from HTTP1.1 to HTTP2 things started
falling apart. In the past we had reports of people not being able to
connect at all receiving spurious messages from their browsers (some of
which are undoubtedly outdated). We expected things to have improved by
now and decided to try again, with the above result.

Are there additional things we need to take care of when using HTTP2
when compared to HTTP1.1? More threads, different queue size, more file
handles etc?

Any pointers would be very much appreciated.

Kind regards,

Silvio

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