1 [Unit]

     2 Description=PaperMC Server

     3 Documentation=https://paper.readthedocs.io/en/latest/server/getting-started.html

     4 

     5 Wants=network.target

     6 After=network.target

     7 

     8 [Service]

     9 User={{papermc_user}}

    10 Group={{papermc_user}}

    11 WorkingDirectory={{papermc_dir}}

    12 Restart=on-failure

    13 RestartSec=20 5

    14 # ExecStart=/usr/bin/java -Xms{{papermc_mem}} -Xmx{{papermc_mem}} -jar server.jar

    15 # Optimizations from https://aikar.co/2018/07/02/tuning-the-jvm-g1gc-garbage-collector-flags-for-minecraft/

    16 ExecStart=/usr/bin/java -Xms{{papermc_mem}} -Xmx{{papermc_mem}} -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1 -Dusing.aikars.flags=https://mcflags.emc.gs -Daikars.new.flags=true -jar server.jar nogui

    17 

    18 PrivateTmp=true

    19 ProtectSystem=full

    20 NoNewPrivileges=true

    21 PrivateDevices=true

    22 

    23 [Install]

    24 WantedBy=multi-user.target