JVM flags

Interactive website about JVM flags by Java version.

Run locally

cd json-graph-generator && ./mvnw clean install -Psync-docs-json
lsof -ti :8080 | xargs kill -9
jwebserver -d docs -p 8080
open http://localhost:8080/

References

Flag names, categories, and version-specific availability in docs/json/ are based on Oracle’s official HotSpot documentation for each release below.

Java 8

• The java command — standard, non-standard (-X), and advanced (-XX) options
• Java SE HotSpot Virtual Machine Garbage Collection Tuning Guide
• Troubleshooting: Command-line options

Java 11

• The java command — standard, extra, advanced runtime, JIT, serviceability, and GC options; unified logging (-Xlog)
• Java Platform, Standard Edition HotSpot Virtual Machine Garbage Collection Tuning Guide
• Troubleshooting: Command-line options

Java 17

• The java command
• Java Platform, Standard Edition HotSpot Virtual Machine Garbage Collection Tuning Guide
• Troubleshooting: Command-line options

Java 21

• The java command
• Java Platform, Standard Edition HotSpot Virtual Machine Garbage Collection Tuning Guide
• Troubleshooting: Command-line options

Java 25

• The java command
• Java Platform, Standard Edition HotSpot Virtual Machine Garbage Collection Tuning Guide
• Troubleshooting: Command-line options