Older Java !new! Official

# Critical for Java 8 - enable G1GC and string dedup -XX:+UseG1GC -XX:+UseStringDeduplication -XX:+UseContainerSupport -XX:MaxRAMPercentage=75.0 Avoid Metaspace leaks -XX:MaxMetaspaceSize=256m -XX:+UseContainerSupport

If you're on pre-Java 8u191, containers will see host memory. Use -XX:InitialRAMPercentage and -XX:MaxRAMPercentage to fix. 3. Backport Modern APIs (Without Upgrading the JDK) You don't need Java 17 to write cleaner code. Use these backported libraries: older java

The Senior Dev’s Guide to Older Java: Surviving (and Thriving) on Java 8, 11, and Beyond # Critical for Java 8 - enable G1GC