Why You Should Migrate to Java 11 Right Now.
summary
Practical migration notes and measurable wins: Java 11 reduces heap by 30–40% on many apps via compact strings and a much improved G1 collector (but plan for slightly higher CPU per container). Java Flight Recorder ships open source with about 2–3% runtime overhead and enables low-cost profiling; New Relic supplies an open-source daemon to stream JFR to their backend (free tier 100 GB). Watch for library issues (ASM versions), Gradle updates, and Cassandra nodes still requiring Java 8.
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chapters (10)
- 0:00Introduction and speaker background
- 4:14About New Relic and Java importance
- 9:07Java licensing and release model changes
- 18:37Java 11 as long-term support release
- 26:26Market share of Java versions
- 32:26Reasons to upgrade to Java 11
- 38:26Java 11 upgrade considerations
- 42:37Java Flight Recorder deep dive
- 52:00New Relic’s Java Flight Recorder support
- 53:46Conclusion and migration benefits
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