Back to All Scenarios
PASSEDinfrastructure / gc_pressure

Nagios Core 4.5 GC Pauses Causing Latency Spikes on SUSE Enterprise 15 SP5

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

MetricExpectedActualResult
Pattern RecognitionPERFORMANCE_DEGRADATIONPERFORMANCE_DEGRADATION
Severity AssessmentHIGHMEDIUM
Incident CorrelationN/ANone
Cascade EscalationN/ANo
RemediationAuto-Heal — Corax resolves autonomously

Scenario Conditions

SUSE Enterprise 15 SP5. Nagios Core 4.5 GC pause time 82ms. GC frequency: every 5 seconds. Heap at 90%. Response time degraded 14x.

Injected Error Messages (1)

Nagios Core 4.5 degraded performance on SUSE Enterprise 15 SP5 — garbage collection pauses 82ms, response time spike 14x 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: cmnhnw01k039nlijgq9xcr5iq