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Api::V1::FeedsController#index (avg 1246ms, max 1591ms)

Service
cupixworks-api
Occurrences
25
Status
Reported
Confidence
85%
Actionability
36%
Cluster ID
fecf553c-cecd-4be4-8cb7-00e32557d594
First Seen
2026-05-26 03:49 UTC
Last Seen
2026-06-22 01:43 UTC
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Api::V1::FeedsController#index (avg 1246ms, max 1591ms)

What Happened#

2026-05-26 03:4913:24 UTC 동안 Api::V1::FeedsController#index 엔드포인트에서 평균 2063ms, 최대 35,273ms의 응답 지연이 발생했다. 피드 수가 많은 대규모 facility를 가진 팀(downergroup: 9,264건, umedafm: 2,640건)에서 DB 쿼리 시간이 전체 응답의 9599.6%를 차지하며 심각한 성능 저하가 확인되었다.

Quick Facts#

Field Value
resource_name Api::V1::FeedsController#index
top_frame app/repositories/feed_repository.rb:172
runtime Ruby on Rails (cupixworks-api)
env production (ap-southeast-2, ap-southeast-1, us-west-2, eu-central-1)

Affected Teams#

Team / Domain Feed Count Impact
downergroup (ap-southeast-2) 9,264 18.8초 응답 지연, 사용자 UX 심각 저하
umedafm (us-west-2) 2,640 35.2초 응답 지연 (타임아웃 근접)
hec-test-dangjin (us-west-2) 219 1.9초 응답 지연
shapoorji (eu-central-1) 73~75 1.3초 간헐적 지연

Timeline#

  1. 2026-05-26T03:49:18Z — 최초 감지 (aceplp 팀, ap-southeast-1)
  2. 2026-05-26T06:38:58Z — 최대 지연 발생 (umedafm 팀, 35,273ms)
  3. 2026-05-26T08:40:19Z — 대규모 시설 지연 (downergroup 팀, 18,857ms)
  4. 2026-05-26T13:24:04Z — 마지막 감지

Scoring#

Confidence 85% · Actionability 36%

Confidence#

Dimension Score Detail
Evidence completeness 5/5 11 code refs, 3 log queries
Code path explicitness 3/3 11 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 16 file(s)
Single repo 1/3 2 service(s)
Immediate actions 0/3 absent
Testability 2/3 test mentioned
External dependency 1/3 external deps found
Data migration 3/3 no migration