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PASSEDcache / gc_pressure
Redis 7.2 GC Pauses Causing Latency Spikes on SUSE Enterprise 15 SP5
Redis 7.2 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
SUSE Enterprise 15 SP5. Redis 7.2 GC pause time 225ms. GC frequency: every 5 seconds. Heap at 90%. Response time degraded 32x.
Injected Error Messages (1)
Redis 7.2 degraded performance on SUSE Enterprise 15 SP5 — garbage collection pauses 225ms, response time spike 32x 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: cmnhnvxdv02yrlijgbj4zpcn4