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OpenLiberty / open-liberty

Open Liberty is a highly composable, fast to start, dynamic application server runtime environment
https://openliberty.io
Eclipse Public License 2.0
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Liberty InstantOn: Debug on restore support #29627

Open tajila opened 1 month ago

tajila commented 1 month ago

Key Use Case: In Q4 2024 Semeru will add the ability to enable Java debugging on restore even if it wasnt requested at startup. This feature will not be enabled by default while more work is being done to improve the performance characteristics.

Describe why this is important to you: Open Liberty should be prepared to enable this feature in InstantOn when there are none or minimal perf costs to enablement.

Additional context The option to enable this capability is -XX:+DebugOnRestore

tajila commented 1 month ago

@tjwatson FYI

tjwatson commented 1 month ago

We will update the server script once OpenJ9 is ready for us to set this by default for InstantOn