PointcloudsController#index tail latency — Puma worker thread saturation
Service
cupixworks-api
Occurrences
154
Status
Reported
Confidence
85%
Actionability
44%
Cluster ID
9ea33e75-f103-4ddc-93a5-ae32c2765632
First Seen
2026-05-26 03:21 UTC
Last Seen
2026-06-13 14:48 UTC
Datadog
SlackActions
PointcloudsController#index tail latency — Puma worker thread saturation
What Happened#
2026-05-26 03:21~13:18 UTC 동안 cupixworks-api 서비스의 Api::V1::PointcloudsController#index 엔드포인트에서 평균 1071ms, 최대 1283ms의 응답 지연이 61건 발생했다. eu-central-1, us-west-2, ap-southeast-2 전 리전에서 관측되었으며, HTTP 에러(4xx/5xx)는 없고 순수 latency 이슈다.
Quick Facts#
| Field | Value |
|---|---|
| resource_name | Api::V1::PointcloudsController#index |
| top_frame | app/repositories/pointcloud_repository.rb:40 |
| env | production (eu-central-1, us-west-2, ap-southeast-2) |
Affected Teams#
| Team / Domain | Error Count | Impact |
|---|---|---|
| pclconstruction | 16 | Pointcloud 목록 로딩 지연 |
| fgip-pkg1 | 13 | Pointcloud 목록 로딩 지연 |
| 기타 팀 | 32 | 동일 증상 |
Timeline#
- 2026-05-26 03:21 UTC — 최초 slow trace 감지 (1071ms avg)
- 2026-05-26 13:18 UTC — 마지막 slow trace 관측
- 2026-05-27 — RCA 분석 완료
Scoring#
Confidence 85% · Actionability 44%
Confidence#
| Dimension | Score | Detail |
|---|---|---|
| Evidence completeness | 5/5 | 8 code refs, 5 log queries |
| Code path explicitness | 3/3 | 8 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 | 5/5 | trivial |
| Affected files | 1/5 | 8 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 |