Back to All Scenarios
PASSEDinfrastructure / gc_pressure
Nagios Core 4.5 GC Pauses Causing Latency Spikes on Debian 12 Bookworm
Nagios Core 4.5 is experiencing excessive garbage collection pauses. Response times spiking during GC cycles. P99 latency 10x normal.
Pattern
PERFORMANCE_DEGRADATION
Severity
MEDIUM
Confidence
51%
Remediation
Auto-Heal
Test Results
| Metric | Expected | Actual | Result |
|---|---|---|---|
| Pattern Recognition | PERFORMANCE_DEGRADATION | PERFORMANCE_DEGRADATION | |
| Severity Assessment | HIGH | MEDIUM | |
| Incident Correlation | N/A | None | |
| Cascade Escalation | N/A | No | |
| Remediation | — | Auto-Heal — Corax resolves autonomously |
Scenario Conditions
Debian 12 Bookworm. Nagios Core 4.5 GC pause time 274ms. GC frequency: every 5 seconds. Heap at 90%. Response time degraded 38x.
Injected Error Messages (1)
Nagios Core 4.5 degraded performance on Debian 12 Bookworm — garbage collection pauses 274ms, response time spike 38x normal, high latency during GC cycles, P99 latency critical
Neural Engine Root Cause Analysis
Performance degradation detected — response times are significantly above baseline, indicating resource pressure, increased load, or infrastructure issues.
Remediation Plan
Investigate server resource usage (CPU, memory, disk I/O). Check for background jobs or traffic spikes. Optimize slow queries or endpoints if specific to one service.
Improvements Applied
- Severity: MEDIUM (expected HIGH)
Tested: 2026-04-02Monitors: 1 | Incidents: 1Test ID: cmnhnw01k039klijgc5yn9iu8