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PASSEDcache / fd_exhaustion

Dragonfly 1.14 File Descriptor Limit Reached on Arch Linux

Dragonfly 1.14 has exhausted its file descriptor limit. Cannot accept new connections or open new files. Service functionality severely degraded.

Pattern
CONNECTION_REFUSED
Severity
CRITICAL
Confidence
68%
Remediation
Auto-Heal

Test Results

MetricExpectedActualResult
Pattern RecognitionCONNECTION_REFUSEDCONNECTION_REFUSED
Severity AssessmentHIGHCRITICAL
Incident CorrelationN/ANone
Cascade EscalationN/ANo
RemediationAuto-Heal — Corax resolves autonomously

Scenario Conditions

Arch Linux. Dragonfly 1.14 at 10465/10466 file descriptors. Connection leak detected. ulimit -n set to 10466 (default, not tuned for production).

Injected Error Messages (1)

Dragonfly 1.14 on Arch Linux — 10465/10466 FDs used, 'Too many open files', connection refused on new requests, dragonfly leaking file descriptors at 23/min

Neural Engine Root Cause Analysis

Connection refused — service is likely crashed or not listening on the expected port.

Remediation Plan

Restart the target service. If recurring, check for memory leaks or crash loops.

Improvements Applied

  • Severity: CRITICAL (expected HIGH)
Tested: 2026-04-02Monitors: 1 | Incidents: 1Test ID: cmnhnpzzh04rplig7pu2mb8ch