ES /docs

S3 cross-region metadata queries causing tail latency

Service
cupixworks-api
Occurrences
12,497
Status
Dismissed
Confidence
85%
Actionability
28%
Cluster ID
604f3732-17d4-4700-b62e-18bfe485e195
First Seen
2026-05-27 13:05 UTC
Last Seen
2026-08-05 04:31 UTC
Actions
현재 상태 dismissed 에서는 실행할 액션이 없습니다.

S3 cross-region metadata queries causing tail latency

What Happened#

2026-05-27 13:05 UTC에 cupixworks-apiApi::V1::PointcloudsController#check_resource_uploading 엔드포인트에서 평균 1176ms 응답 시간이 관측되었다. 동일 시간대에 pointcloud 1109910, 1109912, 1109914에 대한 plane 리소스 업로드 확인 요청이 연속으로 들어왔으며, 모두 800ms~1274ms의 높은 응답 시간을 보였다.

Quick Facts#

Field Value
resource_name Api::V1::PointcloudsController#check_resource_uploading
top_frame app/controllers/concerns/multiple_resourcable_controller.rb:80
env production, us-west-2
avg_duration_ms 1176
max_duration_ms 1176

Timeline#

  1. 2026-05-27T13:05:05.924Z — 최초 latency 이벤트 감지 (pointcloud 1109910, plane 리소스)
  2. 2026-05-27T13:05:21Z — pointcloud 1109912 동일 패턴 발생 (796ms)
  3. 2026-05-27T13:05:49Z — pointcloud 1109914 동일 패턴 발생 (1274ms)
  4. 2026-05-27 — RCA 분석 수행

Scoring#

Confidence 85% · Actionability 28%

Confidence#

Dimension Score Detail
Evidence completeness 5/5 12 code refs, 5 log queries
Code path explicitness 3/3 12 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 22 file(s)
Single repo 1/3 2 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