【2025年7月最新】マイクラサーバー・パフォーマンス最適化完全ガイド：TPS向上とラグ対策の決定版

/forge tps（ForgeサーバーやMODサーバーの場合）
/tps（SpigotやPaperサーバーの場合）
/minecraft:debug start（バニラサーバーの場合）

java -Xms8G -Xmx8G -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 -Dfile.encoding=UTF-8 -Duser.country=US -Duser.language=en -jar server.jar nogui

# 基本設定
max-players=20
difficulty=normal
gamemode=survival
hardcore=false
pvp=true# パフォーマンス重要設定
view-distance=10
simulation-distance=8
entity-broadcast-range-percentage=100
max-tick-time=60000
max-build-height=256

# ネットワーク設定
network-compression-threshold=256
online-mode=true
prevent-proxy-connections=false

# ワールド設定
spawn-protection=16
max-world-size=29999984
allow-flight=false
spawn-animals=true
spawn-monsters=true
spawn-npcs=true

# paper-global.yml（重要な設定のみ抜粋）
timings:
enabled: true
verbose: true
url: https://timings.aikar.co/
server-name-privacy: false
hidden-config-entries:
– database
– settings.bungeecord-addresses
– settings.velocity-support.secret
history-interval: 300
history-length: 3600
server-name: “Your Server Name”messages:
kick:
authentication-servers-down: “Authentication servers are down. Please try again later, sorry!”
connection-throttle: “Connection throttled! Please wait before reconnecting.”
flying-player: “Flying is not enabled on this server”
flying-vehicle: “Flying is not enabled on this server”

misc:
max-joins-per-tick: 3
region-file-cache-size: 256
use-alternative-luck-formula: false
load-permissions-yml-before-plugins: true

chunk-loading:
min-load-radius: 2
max-concurrent-sends: 2
autoconfig-send-distance: true
target-player-chunk-send-rate: 100.0
global-max-chunk-send-rate: -1.0
enable-frustum-priority: false
global-max-chunk-load-rate: -1.0
player-max-concurrent-loads: 20.0
global-max-concurrent-loads: 500.0

# paper-world-defaults.yml（パフォーマンス重要設定）
entities:
armor-stands:
do-collision-entity-lookups: true
tick: true
behavior:
baby-zombie-movement-modifier: 0.5
disable-chest-cat-detection: false
disable-player-crits: false
door-breaking-difficulty:
husk:
– HARD
zombie:
– HARD
zombie_villager:
– HARD
zombified_piglin:
– HARD
experience-merge-max-value: -1
mobs-can-always-pick-up-loot:
skeletons: false
zombies: false
nerf-pigmen-from-nether-portals: false
piglins-guard-chests: true
should-remove-dragon: false
spawner-nerfed-mobs-should-jump: false
zombie-villager-infection-chance: -1.0
zombies-target-turtle-eggs: true
spawning:
all-chunks-are-slime-chunks: false
alt-item-despawn-rate:
enabled: false
items:
cobblestone: 300
count-all-mobs-for-spawning: false
creative-arrow-despawn-rate: -1
despawn-ranges:
ambient:
hard: 128
soft: 32
axolotls:
hard: 128
soft: 32
creature:
hard: 128
soft: 32
misc:
hard: 128
soft: 32
monster:
hard: 128
soft: 32
underground_water_creature:
hard: 128
soft: 32
water_ambient:
hard: 64
soft: 32
water_creature:
hard: 128
soft: 32
disable-mob-spawner-spawn-egg-transformation: false
duplicate-uuid:
mode: SAFE_REGEN
safe-regen-delete-range: 32
filter-nbt-data-from-spawn-eggs-and-related: true
iron-golems-can-spawn-in-air: false
monster-spawn-max-light-level: -1
non-player-arrow-despawn-rate: -1
per-player-mob-spawns: true
scan-for-legacy-ender-dragon: true
skeleton-horse-thunder-spawn-chance: 0.01
slime-spawn-height:
slime-chunk:
maximum: 40.0
surface-biome:
maximum: 70.0
minimum: 50.0
wandering-trader:
spawn-chance-failure-increment: 25
spawn-chance-max: 75
spawn-chance-min: 25
spawn-day-length: 24000
spawn-minute-length: 1200
wateranimal-spawn-height:
maximum: 0.0
minimum: 0.0

# ClearLag設定例（config.yml）
settings:
auto-update: true
enable-api: true
config-version: 16clear-lag:
enabled: true
default-time: 300
broadcast-message: true
broadcast-warning: true
warning-delay: 30

# 削除対象エンティティ
entities:
– DROPPED_ITEM
– EXPERIENCE_ORB
– PAINTING
– PROJECTILE
– ITEM_FRAME
– SMALL_FIREBALL
– FIREBALL
– ENDER_PEARL
– ENDER_SIGNAL
– PRIMED_TNT
– FALLING_BLOCK
– MINECART_CHEST
– MINECART_HOPPER
– MINECART_TNT
– BOAT

# 除外エンティティ
skip-entity-names:
– “MySpecialItem”
– “ImportantNPC”

# 除外エンティティタイプ
skip-entity-types:
– ITEM_FRAME
– PAINTING
– LEASH_HITCH
– ARMOR_STAND
– PLAYER
– VILLAGER
– WOLF
– CAT
– HORSE
– DONKEY
– MULE
– LLAMA

modules:
redstone-cullling:
enabled: true
delay: 2000
range: 6

mob-ai:
enabled: true
max-distance: 15

chunk-unload:
enabled: true
delay: 3000

hopper-limiter:
enabled: true
hopper-check: 1

item-merger:
enabled: true
radius: 6
max-lifespan: 240

mob-range:
enabled: true
zombie: 20
skeleton: 20
creeper: 16
spider: 16
enderman: 16
slime: 15
ghast: 50
pig_zombie: 25
endermite: 16
silverfish: 16
bat: 16
witch: 16
horse: 16
squid: 16
villager: 16
blaze: 16
cave_spider: 16
giant: 16
magma_cube: 16
mushroom_cow: 16
ocelot: 16
pig: 16
sheep: 16
wither: 16
wolf: 16
chicken: 16
cow: 16
iron_golem: 16
snowman: 16
boat: 16
minecart: 16
minecart_chest: 16
minecart_command: 16
minecart_furnace: 16
minecart_hopper: 16
minecart_mob_spawner: 16
minecart_tnt: 16
ender_crystal: 16
experience_orb: 16
leash_hitch: 16
firework: 16
weather: 16
lightning: 16
wither_skull: 16
unknown: 16

limits:
mobs: 1000
animals: 300
monsters: 300
items: 200
arrows: 200
vehicle: 300

# /etc/sysctl.confに追加
net.core.rmem_default = 262144
net.core.rmem_max = 16777216
net.core.wmem_default = 262144
net.core.wmem_max = 16777216
net.ipv4.tcp_rmem = 4096 87380 16777216
net.ipv4.tcp_wmem = 4096 65536 16777216
net.ipv4.tcp_congestion_control = bbr
net.core.netdev_max_backlog = 5000
net.ipv4.tcp_slow_start_after_idle = 0

sudo sysctl -p

# Sparkプラグインの使用方法
/spark profiler start
# 数分間サーバーを運用
/spark profiler stop
/spark profiler open

# Timingsレポートの生成
/timings on
# 10分程度サーバーを運用
/timings paste

# pingコマンドでレイテンシ確認
ping -c 10 サーバーIP# ネットワーク統計の確認
netstat -i

#!/bin/bash
# backup.sh – 自動バックアップスクリプトSERVER_DIR=”/opt/minecraft”
BACKUP_DIR=”/opt/minecraft/backups”
WORLD_NAME=”world”
DATE=$(date +%Y%m%d_%H%M%S)

# サーバーコンソールに保存コマンドを送信
screen -S minecraft -p 0 -X stuff “save-all$(printf \\r)”
screen -S minecraft -p 0 -X stuff “save-off$(printf \\r)”

# 5秒待機
sleep 5

# ワールドデータを圧縮
tar -czf “$BACKUP_DIR/${WORLD_NAME}_${DATE}.tar.gz” -C “$SERVER_DIR” “$WORLD_NAME”

# 保存を再開
screen -S minecraft -p 0 -X stuff “save-on$(printf \\r)”

# 7日以上古いバックアップを削除
find “$BACKUP_DIR” -name “*.tar.gz” -mtime +7 -delete

echo “バックアップ完了: ${WORLD_NAME}_${DATE}.tar.gz”

# crontab -e で以下を追加
# 毎日午前3時にバックアップ
0 3 * * * /opt/minecraft/backup.sh# 6時間おきにバックアップ
0 */6 * * * /opt/minecraft/backup.sh

#!/bin/bash
# start.sh – 最適化されたサーバー起動スクリプト# Java実行可能ファイルのパス
JAVA_PATH=”/usr/bin/java”

# メモリ設定（サーバーのRAMに応じて調整）
MIN_RAM=”8G”
MAX_RAM=”8G”

# JVMパラメータ（2025年7月最新版）
JVM_OPTS=”-Xms$MIN_RAM -Xmx$MAX_RAM”
JVM_OPTS=”$JVM_OPTS -XX:+UseG1GC”
JVM_OPTS=”$JVM_OPTS -XX:+ParallelRefProcEnabled”
JVM_OPTS=”$JVM_OPTS -XX:MaxGCPauseMillis=200″
JVM_OPTS=”$JVM_OPTS -XX:+UnlockExperimentalVMOptions”
JVM_OPTS=”$JVM_OPTS -XX:+DisableExplicitGC”
JVM_OPTS=”$JVM_OPTS -XX:+AlwaysPreTouch”
JVM_OPTS=”$JVM_OPTS -XX:G1NewSizePercent=30″
JVM_OPTS=”$JVM_OPTS -XX:G1MaxNewSizePercent=40″
JVM_OPTS=”$JVM_OPTS -XX:G1HeapRegionSize=8M”
JVM_OPTS=”$JVM_OPTS -XX:G1ReservePercent=20″
JVM_OPTS=”$JVM_OPTS -XX:G1HeapWastePercent=5″
JVM_OPTS=”$JVM_OPTS -XX:G1MixedGCCountTarget=4″
JVM_OPTS=”$JVM_OPTS -XX:InitiatingHeapOccupancyPercent=15″
JVM_OPTS=”$JVM_OPTS -XX:G1MixedGCLiveThresholdPercent=90″
JVM_OPTS=”$JVM_OPTS -XX:G1RSetUpdatingPauseTimePercent=5″
JVM_OPTS=”$JVM_OPTS -XX:SurvivorRatio=32″
JVM_OPTS=”$JVM_OPTS -XX:+PerfDisableSharedMem”
JVM_OPTS=”$JVM_OPTS -XX:MaxTenuringThreshold=1″
JVM_OPTS=”$JVM_OPTS -Dfile.encoding=UTF-8″
JVM_OPTS=”$JVM_OPTS -Duser.country=US”
JVM_OPTS=”$JVM_OPTS -Duser.language=en”

# サーバーJARファイル
SERVER_JAR=”paper-1.21.1-latest.jar”

# 起動コマンド
echo “サーバーを起動中…”
$JAVA_PATH $JVM_OPTS -jar $SERVER_JAR nogui

#!/bin/bash
# dynamic_settings.sh – プレイヤー数に応じた設定調整# 現在のプレイヤー数を取得
PLAYER_COUNT=$(screen -S minecraft -p 0 -X stuff “list$(printf \\r)” | grep -o ‘[0-9]*’ | head -1)

# プレイヤー数に応じて設定を調整
if [ “$PLAYER_COUNT” -le 5 ]; then
# 少人数時の設定
screen -S minecraft -p 0 -X stuff “gamerule randomTickSpeed 3$(printf \\r)”
VIEW_DISTANCE=12
elif [ “$PLAYER_COUNT” -le 15 ]; then
# 中人数時の設定
screen -S minecraft -p 0 -X stuff “gamerule randomTickSpeed 2$(printf \\r)”
VIEW_DISTANCE=10
else
# 多人数時の設定
screen -S minecraft -p 0 -X stuff “gamerule randomTickSpeed 1$(printf \\r)”
VIEW_DISTANCE=8
fi

# Paper設定ファイルの更新
sed -i “s/view-distance: [0-9]*/view-distance: $VIEW_DISTANCE/” paper-global.yml

echo “プレイヤー数: $PLAYER_COUNT に応じて設定を調整しました”

#!/bin/bash
# load_test.sh – 負荷テストスクリプトecho “負荷テストを開始します…”

# 開始時のTPS記録
screen -S minecraft -p 0 -X stuff “tps$(printf \\r)”

# 大量のエンティティを生成
for i in {1..100}; do
screen -S minecraft -p 0 -X stuff “summon minecraft:pig ~ ~ ~$(printf \\r)”
sleep 0.1
done

# 5分間待機
sleep 300

# 終了時のTPS記録
screen -S minecraft -p 0 -X stuff “tps$(printf \\r)”

# エンティティを削除
screen -S minecraft -p 0 -X stuff “kill @e[type=pig]$(printf \\r)”

echo “負荷テストが完了しました”