ClearLagSystem [1.20 - 1.21]

⭐ ClearLagSystem – Ultra-Fast, Modern & Lightweight (1.20 – 1.21)
ClearLagSystem is a high-performance, dupe-safe, and lightweight ClearLag plugin built for modern Minecraft servers.
Designed for speed, stability, and full customization, powered by a clean JSON config (no Bukkit config!).

Features

⚙️ Auto Clear

• Fully automatic ClearLag
• Adjustable interval (default: 10 minutes)
• Asynchronous countdown → zero lag spikes

Safe Entity Removal

• Ground items
• All mobs (non-player living entities)
• Synchronous removal → no dupe bugs, even under lag

World Control

• World blacklist
• Exclude worlds from being cleared

Custom Warning System
Configurable broadcast messages:

• 10m • 5m • 3m • 60s • 30s • 15s • 10s • 5s • 3s • 2s • 1s
• All editable in config.json
• Supports color codes (§)

Fully Customizable Command
/clearlag

• Enable/disable command
• Permission required? true/false
• Change permission node
• Customizable “no permission” & “command disabled” messages

Lightweight by Design

• Uses config.json (Jackson) → fast & clean
• Extremely low CPU & RAM usage
• Optimized for 100+ player servers
  
  
  Config

  {
    "enabled" : true,
    "intervalSeconds" : 600,
    "worldSettings" : {
      "world" : {
        "removeItems" : true,
        "removeMobs" : false,
        "removeProjectiles" : false,
        "removeTNT" : false,
        "removeXPOrbs" : false,
        "removeBoat" : false,
        "removeChestBoat" : false,
        "removeMinecart" : false,
        "removeHopperMinecart" : false,
        "removeFurnaceMinecart" : false,
        "removeArmorStands" : false,
        "removePaintings" : false,
        "removeItemFrames" : false
      },
      "world_nether" : {
        "removeItems" : true,
        "removeMobs" : false,
        "removeProjectiles" : false,
        "removeTNT" : false,
        "removeXPOrbs" : false,
        "removeBoat" : false,
        "removeChestBoat" : false,
        "removeMinecart" : false,
        "removeHopperMinecart" : false,
        "removeFurnaceMinecart" : false,
        "removeArmorStands" : false,
        "removePaintings" : false,
        "removeItemFrames" : false
      },
      "world_the_end" : {
        "removeItems" : true,
        "removeMobs" : false,
        "removeProjectiles" : false,
        "removeTNT" : false,
        "removeXPOrbs" : false,
        "removeBoat" : false,
        "removeChestBoat" : false,
        "removeMinecart" : false,
        "removeHopperMinecart" : false,
        "removeFurnaceMinecart" : false,
        "removeArmorStands" : false,
        "removePaintings" : false,
        "removeItemFrames" : false
      }
    },
    "command" : {
      "enabled" : true,
      "usePermission" : true,
      "permission" : "clearlag.use",
      "sendNoPermissionMessage" : true,
      "noPermissionMessage" : "§cYou do not have permission to execute this command.",
      "sendDisabledMessage" : true,
      "disabledMessage" : "§cThis command is disabled."
    },
    "messages" : {
      "manualCleared" : "§aManual ClearLag removed §e{count} §aentities.",
      "autoCleared" : "§aAutomatic ClearLag removed §e{count} §aentities.",
      "warnings" : {
        "600" : "§cClearLag in 10 minutes.",
        "300" : "§cClearLag in 5 minutes.",
        "180" : "§cClearLag in 3 minutes.",
        "60" : "§cClearLag in 60 seconds.",
        "30" : "§cClearLag in 30 seconds.",
        "15" : "§cClearLag in 15 seconds.",
        "10" : "§cClearLag in 10 seconds.",
        "5" : "§cClearLag in 5 seconds.",
        "3" : "§cClearLag in 3 seconds.",
        "2" : "§cClearLag in 2 seconds.",
        "1" : "§cClearLag in 1 second."
      }
    }
  }