Optimizing Tick Rate & Network Performance

Introduction
Tick rate and network latency define your players’ experience. In this epic guide, we’ll tune your server’s JVM, network stack, firewall, and client-side settings to deliver silky-smooth gameplay. Then, shout out your optimized server on mclist.gg to pull in lag-free enthusiasts!

Table of Contents

1. Understanding Tick Rate vs. Latency

2. JVM & GC Tuning for Tick Stability

3. Network Stack Optimizations

4. Firewall & Port Configuration

5. Client-Side Best Practices

6. Monitoring & Alerting

7. SEO Enhancements & Rich Snippets

8. FAQ

1. Understanding Tick Rate vs. Latency

• Tick Rate: The server’s game loop frequency (20 TPS target).

• Latency (Ping): Round-trip packet time between client and server.

• Impact: Low TPS causes rubber-banding; high ping delays actions.

2. JVM & GC Tuning

1. G1GC Flags:

   ruby

   CopyEdit

   -XX:+UseG1GC -XX:MaxGCPauseMillis=50 -XX:+ParallelRefProcEnabled

2. Heap Sizing:

   • Set -Xms = -Xmx = optimal RAM (e.g., 4 GB).

3. Log GC Pauses:

   ruby

   CopyEdit

   -XX:+PrintGCDetails -Xloggc:gc.log

3. Network Stack Optimizations

• TCP Tuning:

  • net.ipv4.tcp_tw_reuse=1

  • net.core.netdev_max_backlog=16384

• UDP for Bedrock: Open and prioritize UDP 19132.

4. Firewall & Port Configuration

• Allow Only Needed Ports: 25565 TCP, 19132 UDP.

• Rate Limiting: Use ufw or iptables to drop more than 10 connections/sec from one IP.

• Geo-Block: Restrict by continent if you serve a regional community.

5. Client-Side Best Practices

• Encourage players to use wired connections.

• Suggest lowering view-distance to 8–10 in server.properties.

• Provide a custom resource pack optimized for performance.

6. Monitoring & Alerting

• Prometheus Exporter: Use mcstatus_exporter for TPS and ping metrics.

• Grafana Dashboards: Visualize TPS, GC pauses, and latency.

• Alerts: Notify via Discord when TPS < 18 or 95th-percentile ping > 150 ms.

7. SEO Enhancements

• Keywords: “Minecraft TPS optimization,” “Pterodactyl server tuning.”

• Schema: Use HowTo schema for step-by-step tuning guide.

FAQ

Q1: Can I push TPS above 20?
A: No—in Minecraft, 20 TPS is the maximum. You aim to minimize dips, not exceed.

Q2: Does lowering view-distance help TPS?
A: Yes—each player loads fewer chunks per tick, reducing CPU load.

Q3: Should I enable UseFastEmptyTick?
A: In PaperMC’s paper.yml, yes—reduces tick time when no entities are nearby.

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