Use Aikar's flags

script/server.sh

@@ -43,14 +43,36 @@ while true; do
 	# Start Minecraft server
 
 	java \
+		-Xms1700M \
 		-Xmx1700M \
-		-Xshare:on \
+		-XX:+UseG1GC \
+		-XX:+ParallelRefProcEnabled \
+		-XX:MaxGCPauseMillis=200 \
+		-XX:+UnlockExperimentalVMOptions \
+		-XX:+DisableExplicitGC \
+		-XX:+AlwaysPreTouch \
+		-XX:G1HeapWastePercent=5 \
+		-XX:G1MixedGCCountTarget=4 \
+		-XX:G1MixedGCLiveThresholdPercent=90 \
+		-XX:G1RSetUpdatingPauseTimePercent=5 \
+		-XX:SurvivorRatio=32 \
+		-XX:+PerfDisableSharedMem \
+		-XX:MaxTenuringThreshold=1 \
+		-XX:G1NewSizePercent=30 \
+		-XX:G1MaxNewSizePercent=40 \
+		-XX:G1HeapRegionSize=8M \
+		-XX:G1ReservePercent=20 \
+		-XX:InitiatingHeapOccupancyPercent=15 \
 		-Xss8M \
 		-XX:MaxDirectMemorySize=512M \
+		-Xshare:on \
 		-XX:+UseContainerSupport \
+		-XX:-UsePerfData \
 		-DPaper.IgnoreJavaVersion=true \
 		-Dpaper.playerconnection.keepalive=360 \
 		-DIReallyKnowWhatIAmDoingISwear \
+		-Dusing.aikars.flags=https://mcflags.emc.gs \
+		-Daikars.new.flags=true \
 		-jar server.jar nogui
 
 	# Stop alive checker (will be started again on the next run)