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PASSEDdatabase / gc_pressure

CockroachDB 24.1 GC Pauses Causing Latency Spikes on Fedora 40 Server

CockroachDB 24.1 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. CockroachDB 24.1 GC pause time 253ms. GC frequency: every 5 seconds. Heap at 90%. Response time degraded 36x.

Injected Error Messages (1)

CockroachDB 24.1 degraded performance on Fedora 40 Server — garbage collection pauses 253ms, response time spike 36x 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: cmnhnvxdu02y6lijg4lk46ff4