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question asked: Jan 17 '20, 3:27 a.m.
question was seen: 1,366 times
last updated: Jan 29 '20, 10:22 a.m.

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RTC 6.0.6.1 Jetty server slow startup

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Nicolas Bros (29●5) | asked Jan 17 '20, 3:27 a.m.
Hello,
I am developing custom plug-ins on top of RTC.
I followed the Rational Team Concert Extensions Workshop (https://jazz.net/library/article/1000) to setup the server for development.
The RTC 6.0.6.1 Jetty server takes over two minutes to start each time, which is 3 times more than the previous version I was developing for (6.0.1) which started in about 40 seconds on the same workstation.
Why is that?
Is there a way to speed this up, so that each code modification does not incur a two minute wait?

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Nicolas Bros (29●5) | answered Jan 29 '20, 10:22 a.m.
The JIT seems to be responsible for a big part of CPU usage on start.
Adding the -Xquickstart parameter to the JVM options of the Jetty server launch config improves startup time a lot.

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