-Xmx6947M -Xms6947M -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -XX:+ParallelRefProcEnabled -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:+UseStringDeduplication
-Xmx6947M -Xms6947M -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=15 -XX:+ParallelRefProcEnabled -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:+UseStringDeduplication -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:TargetSurvivorRatio=90 -XX:G1ReservePercent=20 -XX:MaxMetaspaceSize=256M