Back to All Scenarios
PASSEDdatabase / gc_pressure
MariaDB 11.4 GC Pauses Causing Latency Spikes on Fedora 40 Server
MariaDB 11.4 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
Fedora 40 Server. MariaDB 11.4 GC pause time 69ms. GC frequency: every 5 seconds. Heap at 90%. Response time degraded 12x.
Injected Error Messages (1)
MariaDB 11.4 degraded performance on Fedora 40 Server — garbage collection pauses 69ms, response time spike 12x 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: cmnhnvx2j02xalijglw2mvdhl