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# 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.

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).