Add flags: production JVM flag cheat sheet for Spring Boot on JDK 25/27

MaxRAMPercentage vs a hardcoded -Xmx, -XX:-UseContainerSupport, the ActiveProcessorCount lie, and which diagnostic flags are worth leaving on in prod, verified in real Docker containers on JDK 25 and JDK 27. Co-Authored-By: Claude Sonnet 5 <[email protected]>
2026-10-01 04:34:04 +00:00
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+target/
+docker/temurin27.tar.gz
+docker/flags-demo.jar
+docker/memoryhog.jar
+docker/headersize.jar
+*.hprof
+*.class
+raw/