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2021-01-26 13:45:30 +01:00
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#!/usr/bin/env bash
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# Accept the EULA
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echo "eula=true" > /app/config/eula.txt
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# Log the last-used version, so we know which version to use when running it again (e.g. loading the backup)
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echo "${MC_VERSION}, PaperMC v${PAPERMC_VERSION}" >> /app/config/versions.txt
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XMS="${XMS:-$XMX}"
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# Launch the actual server
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2021-01-26 14:05:59 +01:00
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exec java \
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2021-01-26 13:45:30 +01:00
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-Xms"${XMS}G" \
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-Xmx"${XMX:-$XMS}G" \
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-XX:+UseG1GC \
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-XX:+ParallelRefProcEnabled \
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-XX:MaxGCPauseMillis=200 \
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-XX:+UnlockExperimentalVMOptions \
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-XX:+DisableExplicitGC \
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-XX:+AlwaysPreTouch \
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-XX:G1NewSizePercent="$([ $XMS -gt 12 ] && echo 40 || echo 30)" \
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-XX:G1MaxNewSizePercent="$([ $XMS -gt 12 ] && echo 50 || echo 40)" \
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-XX:G1HeapRegionSize="$([ $XMS -gt 12 ] && echo 16 || echo 8)"M \
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-XX:G1ReservePercent="$([ $XMS -gt 12 ] && echo 15 || echo 20)" \
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-XX:G1HeapWastePercent=5 \
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-XX:G1MixedGCCountTarget=4 \
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-XX:InitiatingHeapOccupancyPercent="$([ $XMS -gt 12 ] && echo 20 || echo 15)" \
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-XX:G1MixedGCLiveThresholdPercent=90 \
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-XX:G1RSetUpdatingPauseTimePercent=5 \
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-XX:SurvivorRatio=32 \
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-XX:+PerfDisableSharedMem \
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-XX:MaxTenuringThreshold=1 \
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-Dusing.aikars.flags=https://mcflags.emc.gs \
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-Daikars.new.flags=true \
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-jar /app/server.jar \
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--universe /app/worlds \
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--nogui
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