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Mineforgian

LagScope

LagScope is an all-in-one plugin that analyzes server lag in real time and actively optimizes entities, redstone, and explosions to keep performance stable.

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397
Подписчики
1
Обновлён
16 мая 2026 г.
Лицензия
MIT

Опубликован 17 января 2026 г.

LagScope

LagScope is a performance analyzer and lag control plugin for Paper and Purpur (1.21+).

Smart Lag Control

LagScope tracks TPS, MSPT, entities, chunks, and activity spikes.

  • Detects lag-heavy chunks immediately.
  • Identifies problematic mechanics (entities, redstone, explosions, hoppers).
  • Applies targeted limits instead of global wipes.
  • Offers multiple lag modes ranging from "Light" to "Aggressive."

The goal is a stable server without unnecessary interference with gameplay.

Active Protection Modules

The plugin is modular, allowing all optimizers to be toggled or tuned individually:

  • Entity Limiter: Prevents entity and projectile spam per chunk.
  • Entity Cleaner: Triggers smart cleanup when thresholds are exceeded.
  • Explosion Control: Manages TNT and explosion spam.
  • Redstone Limiter: Stops redstone clocks and massive update storms.
  • Hopper Optimizer: Reduces hopper lag without breaking technical systems.
  • Mob AI Optimizer: Scales down AI intensity based on server load.
  • Vehicle Limiter: Limits minecart and boat physics spam.
  • Action Limiter: Prevents abuse of items or abilities.
  • Lag Protection: Automatically escalates measures based on current TPS/MSPT.

In-Game Analyzer & GUI

Identify the source of performance issues directly within the game:

  • Live TPS and MSPT display.
  • List of the most resource-intensive chunks.
  • Entity and tile-entity counts.
  • Module status overview.

Management is handled through an in-game GUI, reducing the need to manually edit configuration files.

Performance First

  • Event-driven logic without unnecessary background tasks.
  • Chunk-aware limiting avoids global punishment for all players.
  • Built specifically for modern Paper and Purpur APIs.
  • Safe for large SMPs and professional networks.

LagScope focuses on stability through intelligent management rather than simple destruction.

Commands

  • /lag – Open the performance overview GUI.
  • /lag clear – Manually trigger a smart cleanup.
  • /lag mode <light|normal|aggressive> – Change the optimization strength.

Ideal For

  • SMP and Survival servers.
  • PvP servers with high TNT or redstone usage.
  • Large communities with high entity counts.
  • Network and high-player-count servers.

Ченджлог

1.0.0Релиз26.1, 26.1.1, 26.1.2 · 16 мая 2026 г.

LagScope Update - Major Performance & Paper API Optimization

This update focuses on massive performance improvements, specifically targeting high-player and low-latency server environments. We have deeply integrated modern Paper API methods and reworked our internal algorithms to significantly reduce Garbage Collection (GC) pressure and CPU overhead.

Performance Improvements

  • Optimized Entity Clearing: Completely replaced the legacy world.getEntities() calls in LagClearer. The plugin now utilizes Paper's highly optimized world.getEntitiesByClasses(). Players and complex mobs are completely bypassed during clear scans, preventing TPS drops when clearing large worlds.
  • Spatial-Hashing for Radius Clears: Radius-based entity clears now use world.getNearbyEntities(), leveraging the server's internal spatial hashing instead of iterating through the entire world's entity list.
  • Fast-Exit Chunk Analysis: The LagAnalyzer now features a fast-exit mechanism. If a chunk contains fewer entities than the current Top-N threshold, the analyzer skips the deep iteration entirely, drastically lowering CPU usage (MSPT) during scanning cycles.
  • Drastic GC Reduction: Refactored object creation inside the LagAnalyzer. By using static comparators and optimizing the PriorityQueue, we eliminated thousands of useless array allocations per second, significantly reducing Garbage Collection spikes.
  • Native Server Metrics: The analyzer now hooks directly into the engine's internal metrics (Bukkit.getServer().getTPS() and getAverageTickTime()), completely removing the need for manual TPS calculation overhead.

Technical Changes

  • Stronger focus on the Paper ecosystem for peak performance.
  • Codebase cleanup and improved memory management across the analysis and control pipelines.

Note for Server Admins: This update is highly recommended for all servers, especially those dealing with high entity counts or struggling with micro-stutters during GC pauses.

1.0.1Релиз1.21.9, 1.21.10, 1.21.11 · 22 февраля 2026 г.

It was updated to an incremental chunk scan to eliminate scan spikes, and optional tile/hopper counting was added with n/a display in GUI/report when disabled. It was also improved through multiple hot‑path optimizations and config fixes (e.g., hopper/redstone keys and auto‑mode reset behavior).

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