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MegaPerformance Plugin

Performance-focused drop-in tweaks for Hytale servers (2026.01.09-49e5904). Conservative defaults; minimal gameplay impact.

Installation

1. Build or download MegaPerformancePlugin.jar.
2. Place into mods/.
3. Start server once; it will create mods/Snipr_MegaOptimized/config.json.
4. Tweak config if desired, then /megaperf reload (or restart) to apply.

Defaults (config.json)

• Tick: maxCatchupMillis=50, jitterClampMs=10 (reserved for future tick pacing).
• Async: workerThreads=2, maxQueue=512 (bounded executor).
• Entities: softCapPerChunk=35, distantAiSkipEvery=4 (skip work every 4s + trim beyond cap, non-players only).
• Network: packetBurstLimit=256, coalesceChatMs=75ms (chat burst suppression via formatter).
• World: autosaveMinutes=10, staggerSaves=true (uses Universe.runBackup on schedule).
• Particles: densityScalar=0.85, applyToProjectiles=true (exposed via system properties, safe no-op if unsupported).
• Bundled: aggressiveTrimming=false, lowAiDepth=false (aggressive trim toggle honored by entity optimizer).

Features

• Bounded async executor with metrics logging.
• Autosave/backup pacing on fixed delay.
• Entity optimizer: soft-cap per chunk + periodic trimming (non-player) with optional aggressive mode.
• Chat burst limiter: coalesces rapid messages to reduce packet spam.
• Particle scalar: exposes density hints via system properties.
• Hot-reload command /megaperf --action=reload.

Command

• /megaperf --action=reload — reload config from disk.

Notes

• All optimizations are best-effort and wrapped to avoid crashing; if APIs change, they safely noop.
• Packet burst limit is exposed but not enforced without server networking hooks; chat coalescing is applied now.
• Logs: async queue/completed counts every 30s at DEBUG; entity trims logged at DEBUG.

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