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Api::V1::AssetsController#update (avg 14630ms, max 14630ms)

Service
cupixworks-api
Occurrences
11
Status
Reported
Confidence
85%
Actionability
44%
Cluster ID
d6f05642-7498-41a3-8e17-00c910a2d411
First Seen
2026-07-01 02:05 UTC
Last Seen
2026-08-03 05:59 UTC
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Api::V1::AssetsController#update (avg 14630ms, max 14630ms)

What Happened#

2026-07-01 11:05 KST 경 cupixworks-api의 Api::V1::AssetsController#update 트레이스 1건이 14.6초간 지속된 뒤 HTTP 500으로 종료됐다. 원인은 cupix-tesla-static S3 버킷(리전: us-west-2)에 대한 PUT 요청이 잘못된 리전(us-east-1)으로 서명되어 AuthorizationHeaderMalformed로 거절됐고, Excon/Fog가 여러 차례 재시도하면서 요청 전체가 14초대까지 늘어난 것이다.

Quick Facts#

Field Value
resource_name Api::V1::AssetsController#update
upstream error Excon::Error::BadRequest (HTTP 400 from S3)
S3 error code AuthorizationHeaderMalformed
S3 message The authorization header is malformed; the region 'us-east-1' is wrong; expecting 'us-west-2'
bucket / host cupix-tesla-static / cupix-tesla-static.s3.amazonaws.com
trace_id 1807238531335885042
avg / max duration 14630ms / 14630ms
env production, us-west-2, tenant cupix

Affected Teams#

Team / Domain Error Count Impact
cupixworks-api / Assets 1 단일 자산(kucudjj1zg8k)의 PUT 요청이 14.6초 뒤 500으로 실패. 동일 창의 다른 Asset#update 수천 건은 200 응답.

Timeline#

  1. 2026-07-01 11:02:16 KST — 직전 svc:cupixworks-api::unknown service-degraded 인시던트(2026-07-01-svc-cupixworks-api--unknown-1, cluster 5건) 해소.
  2. 2026-07-01 11:05:19 KST — 문제의 Api::V1::AssetsController#update 트레이스 시작 (트레이스 ID 1807238531335885042).
  3. 2026-07-01 11:05:33 KST — S3가 AuthorizationHeaderMalformed로 응답 (Date: Wed, 01 Jul 2026 02:05:33 GMT). Excon/Fog 재시도 후 최종 실패.
  4. 2026-07-01 11:05:35 KST — Rails가 500 응답. Datadog 로그에 [500] PUT /api/v1/assets/kucudjj1zg8k (Api::V1::AssetsController#update) 기록.
  5. 2026-07-01 11:05:37 ~ 11:05:41 KST — 클라이언트가 cover_upload_url → check_cover_uploading으로 폴백. 이후 동일 asset 대한 GET /api/v1/assets/kucudjj1zg8k는 정상.

Scoring#

Confidence 85% · Actionability 44%

Confidence#

Dimension Score Detail
Evidence completeness 5/5 13 code refs, 6 log queries
Code path explicitness 3/3 13 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 15 file(s)
Single repo 1/3 4 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