Api::V1::FeedsController#index (avg 18150ms, max 18150ms)
Service
cupixworks-api
Occurrences
15
Status
Reported
Confidence
85%
Actionability
16%
Cluster ID
2b3c088f-5596-4bcf-81dc-74e4828b2148
First Seen
2026-07-01 07:58 UTC
Last Seen
2026-08-04 13:11 UTC
Datadog
SlackActions
Api::V1::FeedsController#index (avg 18150ms, max 18150ms)
What Happened#
2026-07-01 16:58 KST에 cupixworks-api (us-west-2)의 GET /api/v1/feeds 한 건이 18.15초 걸려 완료됐다. HTTP 200으로 성공했지만, 응답 시간의 거의 전부(db: 17754.85ms)를 데이터베이스 쿼리가 차지했다. admin 팀 사용자가 facility_key=2f6b5s (해당 facility의 event 3,664건)를 조회한 요청 한 건이 지연 클러스터로 잡혔다.
Quick Facts#
| Field | Value |
|---|---|
| resource_name | Api::V1::FeedsController#index |
| endpoint | GET /api/v1/feeds |
| top_frame | app/repositories/feed_repository.rb:169-177 (_event_query) |
| trace_id | 959803301119832904 |
| request_id | 29e09de6-e8c5-40e9-9bfb-a50ea649b475 |
| duration | 18148.09 ms (db 17754.85 ms, serialization 555 ms, view 0.09 ms) |
| status_code | 200 |
| deploy | production-us-west-2-20260701t0627z0-595dc2ae-cupixworks |
| host | ip-10-1-80-134.us-west-2.compute.internal |
| env | production / us-west-2 |
Affected Teams#
| Team / Domain | Error Count | Impact |
|---|---|---|
| admin (Cupix 내부, 조회 사용자) | 1 | admin 팀 사용자가 facility_key=2f6b5s (team domain findorff, id 159) feed 조회 시 18초 대기 |
| findorff (조회 대상 facility 소유 팀) | — | 데이터는 정상 반환됨 (200). 사용자 체감 지연만 발생 |
Timeline#
- 2026-07-01 16:58:29 KST — 요청 진입 (
@timestamp - duration역산;first_seen2026-07-01T07:58:27.541Z) - 2026-07-01 16:58:47 KST — 응답 완료,
duration=18148.09ms,db=17754.85ms기록 (Datadog log@timestamp2026-07-01T07:58:47.600Z) - 2026-07-01 16:58:27 KST — error-sweeper collector가 latency cluster로 감지 (
first_seen)
Scoring#
Confidence 85% · Actionability 16%
Confidence#
| Dimension | Score | Detail |
|---|---|---|
| Evidence completeness | 5/5 | 16 code refs, 7 log queries |
| Code path explicitness | 3/3 | 16 file:line refs |
| Log evidence | 3/3 | section, query, pattern |
| RCA structure | 3/3 | 3/3 sections |
| Revision history | 0/3 | 0 revision(s) |
| Agent execution | 3/3 | success |
Actionability#
| Dimension | Score | Detail |
|---|---|---|
| Fix complexity | 1/5 | critical |
| Affected files | 1/5 | 35 file(s) |
| Single repo | 1/3 | 5 service(s) |
| Immediate actions | 0/3 | absent |
| Testability | 0/3 | no test info |
| External dependency | 1/3 | external deps found |
| Data migration | 0/3 | migration needed |