The Ultimate 2026 Guide to 20 TPS Minecraft Server Performance

Maintaining a solid 20 Ticks Per Second (TPS) on a Minecraft server requires proper hardware, modern server software (Paper or Purpur), and optimized JVM garbage collection flags.

Recommended Aikar's Java 21 Garbage Collection Flags

java -Xms6G -Xmx6G -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -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 -jar server.jar nogui

Key World Optimizations (paper-world-defaults.yml)

entities:
  spawning:
    despawn-ranges:
      monster:
        soft: 28
        hard: 56
    per-player-mob-spawns: true
chunks:
  auto-save-interval: 6000
  max-auto-save-chunks-per-tick: 12
  delay-chunk-unloads-by: 10s
tick-rates:
  sensor:
    villager:
      secondarypoisensor: 80

Deploy your high-TPS Minecraft server on Altivora's DDR5 / Gen4 NVMe game nodes with 99.99% uptime.