S3 HEAD latency spike unprotected by timeout/retry
Service
cupixworks-api
Occurrences
14
Status
Dismissed
Confidence
90%
Actionability
44%
Cluster ID
78806727-594e-40c4-8899-df1f169f3bfb
First Seen
2026-05-26 23:39 UTC
Last Seen
2026-08-04 19:45 UTC
Datadog
SlackActions
현재 상태 dismissed 에서는 실행할 액션이 없습니다.
S3 HEAD latency spike unprotected by timeout/retry
What Happened#
2026-05-26 23:39 UTC에 cupixworks-api 서비스의 check_octree_uploading 엔드포인트에서 1064ms의 응답 지연이 발생했다. 이 엔드포인트는 octree 파일 업로드 완료 여부를 확인하기 위해 AWS S3 HEAD 요청을 동기적으로 수행하며, S3 응답 지연이 전체 API 응답 시간에 직접 반영되는 구조이다.
Quick Facts#
| Field | Value |
|---|---|
| resource_name | Api::V1::PointcloudsController#check_octree_uploading |
| top_frame | app/models/concerns/octree.rb:9 |
| env | production, us-west-2 |
| avg_duration | 1064ms |
| cluster_type | latency |
Timeline#
- 2026-05-26T23:39:23Z — check_octree_uploading 요청에서 1064ms 지연 감지 (APM trace ID: 3703117997578681932)
- 2026-05-27 — Error sweeper 자동 수집 및 RCA 분석
Scoring#
Confidence 90% · Actionability 44%
Confidence#
| Dimension | Score | Detail |
|---|---|---|
| Evidence completeness | 5/5 | 19 code refs, 3 log queries |
| Code path explicitness | 3/3 | 19 file:line refs |
| Log evidence | 3/3 | section, query, pattern |
| RCA structure | 3/3 | 3/3 sections |
| Revision history | 1/3 | 1 revision(s) |
| Agent execution | 3/3 | success |
Actionability#
| Dimension | Score | Detail |
|---|---|---|
| Fix complexity | 5/5 | trivial |
| Affected files | 1/5 | 25 file(s) |
| Single repo | 1/3 | 3 service(s) |
| Immediate actions | 0/3 | absent |
| Testability | 0/3 | no test info |
| External dependency | 1/3 | external deps found |
| Data migration | 3/3 | no migration |