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PASSEDcache / gc_pressure

KeyDB 6.3 GC Pauses Causing Latency Spikes on Fedora 40 Server

KeyDB 6.3 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

Fedora 40 Server. KeyDB 6.3 GC pause time 32ms. GC frequency: every 5 seconds. Heap at 90%. Response time degraded 7x.

Injected Error Messages (1)

KeyDB 6.3 degraded performance on Fedora 40 Server — garbage collection pauses 32ms, response time spike 7x 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: cmnhnvxpo02zilijgqgg6fbq1