관측 신호 분리
ztunnel(L4) · OpenTelemetry(L7) · Prometheus/KEDA(리소스) — 서로 다른 계층을 담당
ztunnel (L4)
서비스 연결량 · mTLS 상태 · 전송량 · L4 오류 — 네트워크 경로 자체의 건강도
OpenTelemetry (L7)
API latency · HTTP status · trace · AI 호출 구간 — 애플리케이션 동작
Prometheus / KEDA
CPU · Memory · Kafka lag · in-flight — 리소스와 확장 신호
mTLS 적용률
95.7%
↘1개 링크 미적용분당 신규 연결
443conn/min
평균 L4 오류율
0.29%
↗안정관측 대상 링크
23개
서비스 메시 링크
ztunnel 기준 pod-to-pod L4 연결 (istio_tcp_* 지표)
| 연결 | mTLS | Opened/min | Closed/min | Sent | Received | L4 오류율 |
|---|---|---|---|---|---|---|
| Marathon Service → PostgreSQL | 미적용 | 16 | 15 | 115.4KB/s | 242.0KB/s | 1.31% |
| Marathon Service → Redis | STRICT | 27 | 25 | 46.5KB/s | 177.6KB/s | 0.13% |
| Marathon Service → marathon-events (Kafka) | STRICT | 37 | 35 | 11.4KB/s | 26.7KB/s | 2.39% |
| Marathon Service → Notification Consumer | STRICT | 15 | 14 | 4.6KB/s | 12.3KB/s | 0.21% |
| Running Record Service → PostgreSQL | STRICT | 17 | 17 | 24.4KB/s | 59.6KB/s | 0.16% |
| Running Record Service → Redis | STRICT | 13 | 10 | 87.2KB/s | 147.7KB/s | 0.21% |
| Running Record Service → running-record-events (Kafka) | STRICT | 28 | 27 | 5.2KB/s | 9.8KB/s | 0.1% |
| AI Assistant → PostgreSQL | STRICT | 17 | 16 | 5.1KB/s | 7.4KB/s | 0.3% |
| AI Assistant → Redis | STRICT | 10 | 8 | 24.8KB/s | 53.8KB/s | 0.04% |
| AI Assistant → Course Recommendation AI | STRICT | 13 | 12 | 566B/s | 1.4KB/s | 0.03% |
| Course Recommendation AI → PostgreSQL | STRICT | 28 | 26 | 13.2KB/s | 21.5KB/s | 0.28% |
| Course Recommendation AI → Redis | STRICT | 11 | 9 | 26.2KB/s | 34.3KB/s | 0.01% |
| Crew Service → PostgreSQL | STRICT | 13 | 11 | 17.8KB/s | 51.5KB/s | 0.02% |
| Crew Service → Redis | STRICT | 21 | 21 | 20.9KB/s | 98.4KB/s | 0.2% |
| Crew Service → crew-events (Kafka) | STRICT | 19 | 18 | 4.4KB/s | 7.3KB/s | 0.19% |
| Crew Service → Notification Consumer | STRICT | 23 | 23 | 1.9KB/s | 6.5KB/s | 0.23% |
| Notification Consumer → Redis | STRICT | 27 | 25 | 6.4KB/s | 26.2KB/s | 0.03% |
| Notification Consumer → notification-events (Kafka) | STRICT | 21 | 20 | 2.1KB/s | 4.2KB/s | 0% |
| Community Feed → PostgreSQL | STRICT | 13 | 12 | 30.4KB/s | 14.7KB/s | 0.22% |
| Community Feed → Redis | STRICT | 28 | 25 | 49.2KB/s | 70.5KB/s | 0.16% |
| Payment Gateway → PostgreSQL | STRICT | 17 | 15 | 5.4KB/s | 16.7KB/s | 0.22% |
| Payment Gateway → Redis | STRICT | 10 | 8 | 14.6KB/s | 24.9KB/s | 0.18% |
| Payment Gateway → payment-events (Kafka) | STRICT | 19 | 17 | 1.3KB/s | 1.5KB/s | 0.03% |