ECO-CMP-JAVA-009 — Large heap allocation spikes¶

Category: Computation (CMP)
Family: Java (JAVA)
Layer: Architecture
Tier: 2
Severity: warning
Tags: java, gc, latency
Legacy ID: ECO-JAVA-009

Summary¶

Heap spikes increase GC pauses and tail latency.

Large allocations correlate strongly with p99 issues and waste.

{
  "confidence": 0.7,
  "notes": "Common in parsing/serialization bursts.",
  "type": "latency"
}

{
  "languages": [
    "java"
  ],
  "method": "trace"
}

{
  "guidance": "Reduce allocations; stream processing; tune GC when needed.",
  "tradeoffs": "Measurement required."
}

{
  "system_layers": [
    "architecture"
  ]
}