
      <p>We tuned resource allocation to keep TPS stable under typical loads. Our default profile balances memory and GC without being too opinionated.</p>

      <h2>Container limits</h2>
      <ul>
        <li><strong>Memory:</strong> container <code>Memory</code> cap maps to server size (Small/Medium/Large)</li>
        <li><strong>CPU:</strong> <code>CpuShares</code> to prevent noisy neighbors, with headroom for spikes</li>
      </ul>

      <h2>JVM & server flags</h2>
      <ul>
        <li>Use the image’s sane defaults (Java 21 variants) and keep GC simple</li>
        <li>Prefer vertical scaling (RAM) before horizontal split for tiny communities</li>
      </ul>

      <h2>When to scale</h2>
      <ul>
        <li><strong>Scale up:</strong> sustained memory >80% or frequent GC pauses</li>
        <li><strong>Scale out:</strong> heavy plugins/modpacks, many concurrent redstone farms</li>
      </ul>
    

GlitchNode Blog

Optimizing Java Servers for Smooth Gameplay

Container limits

JVM & server flags

When to scale