Hytale Server Optimizer 2026-01-24

Server Optimizer

Optimizer is a lightweight, fully automated performance plugin that keeps your server running smooth under all conditions.

It continuously adapts view distance and per-player simulation ranges in real time based on TPS and memory pressure, reducing lag during peak load and restoring quality when performance stabilizes.
No manual tuning required, the plugin reacts instantly to player activity, improves scalability, and helps maintain consistent tick...

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Changelog v1.0.1 15.01.2026

+ Added /optimizer status and /optimizer reload (console/admin friendly).
+ AI LOD for NPCs (distance/visibility-based update rates).
+ Auto-create/repair config.json on startup.
+ Event-only logging with cooldown to prevent spam.
+ New config options: AI LOD + per-player min-loaded radius.

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+Added automatic performance profiler with /optimizer profile command
+Added idle player optimization to reduce RAM usage for inactive players
+Added event-driven logging with configurable cooldown to prevent console spam
+Added broadcast cooldown for view radius change messages
Fix: Resolved logging format error with String.format
Fix: Resolved event logging spam with cooldown mechanism

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+ animation desync fix, improved visibility check with chunk status
+ Invis chunk cleanup fix
+ Fixed a logic error causing entities to freeze
+ Updated to work with latest game update

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Configuration
+ Added automatic bounds checking for loop interval (3-15 seconds minimum/maximum)
+ Config file now automatically fixes invalid loop interval values on load
+ Changed default loop interval from 2 to 3 seconds for better performance balance
+ Added runtime validation with warnings if loop interval is set outside safe range

Performance Optimizations
+ Reduced AI processing overhead by combining duplicate player checks, cutting processing time in half
+ Improved...

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+ Fixed critical crash in AI LOD system that occurred when processing took longer than the update interval
+ Optimized AI LOD distance calculations by using chunk-based pre-filtering

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Overall new strategy: Use full system potential and only optimize if resources hit a critical threshold. Recovery logic now also taking player count into account, assuming that only a reduce of player count helps lowering system stress avoiding changing view distances etc. to often. (Causing lag in itself)

+ Fixed AI LOD stability under high load and improved parallel safety.
+ Added strict view‑radius recovery gating (time delay + player drop + TPS/heap).
+ Removed unsafe per‑player...

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+Added TPS report command /tps or /optimizer tps
+Added manual garbage collection command /optimizer gc
+Added automatic garbage collection features with delay + threshholds
Added automatic entity despawning feature (DISABLED BY DEFAULT, new decision to test new experimental features and not forcing enabled for every user)
+ Fixed an issue with auto restoring VR of idle players

-> Filtering entities, blocks, projectiles etc. by despawn flag and making the despawn timer configurable...

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+ View Distance Message Fix: Fixed BroadcastChanges: false not working by fetching fresh config instead of using stale cached value.

+ TPS Command Conflict: Converted /tps from standalone command to /optimizer tps subcommand to avoid overwriting other plugins TPS commands.

+ AI LOD Custom NPC Protection: Added ApplyToCustomNPCs: false config option with efficient caching so AI throttling only affects vanilla NPCs by default.

+ Profile Report Target: Changed tick time target display from...

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