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PASSEDdatabase / gc_pressure

MongoDB 7.0 GC Pauses Causing Latency Spikes on Windows Server 2022

MongoDB 7.0 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

Windows Server 2022. MongoDB 7.0 GC pause time 327ms. GC frequency: every 5 seconds. Heap at 90%. Response time degraded 45x.

Injected Error Messages (1)

MongoDB 7.0 degraded performance on Windows Server 2022 — garbage collection pauses 327ms, response time spike 45x 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: cmnhnvxdu02xolijgg9mno6go
MongoDB 7.0 GC Pauses Causing Latency Spikes on Windows Server 2022 — Corax Scenario Test | Corax