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[jetty-users] HTTP/2 requirements

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,


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