ForgeAgent.extract heap OOM on large BIM revisions
Service
cupixworks-any-bimrevision-agent
Occurrences
16
Status
Reported
Confidence
85%
Actionability
36%
Cluster ID
4fc8b4be-41f2-451a-b1b5-b5f53dc5057e
First Seen
2026-07-21 12:00 UTC
Last Seen
2026-07-23 11:10 UTC
Datadog
SlackActions
ForgeAgent.extract heap OOM on large BIM revisions
What Happened#
2026-07-21 21:00:39 KST 에 cupixworks-any-bimrevision-agent (production, us-west-2) 의 BIM 비교 child process 가 V8 FATAL ERROR: Ineffective mark-compacts near heap limit — JavaScript heap out of memory 로 crash 하였다. 부모 프로세스가 SIGABRT 를 감지하고 job bim_id=17216, src_revision_id=25433 을 error 로 종료했다. 이 cluster 파일은 crash 직후 stderr 로 쏟아진 V8 native stack frame 한 줄(4: 0x10fb205 [/usr/bin/node]) 이 fingerprint 로 채택된 결과이며, 동일 crash 이벤트로 총 25 개의 sibling cluster 가 status-board incident 2026-07-21-svc-cupixworks-any-bimrevision-agent--unknown-1 로 묶여 있다.
Quick Facts#
| Field | Value |
|---|---|
| exception.class | V8 FATAL ERROR (OOM, not a JS exception) |
| exception.message | Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory |
| top_frame | v8::internal::Heap::RecomputeLimits → Runtime_NewArray (native) |
| runtime | Node.js on /usr/bin/node, --max-old-space-size=8192 |
| deploy | forge-agents 10.98.0 (from stderr paths) |
| env | production, us-west-2, tenant cupix |
Affected Teams#
| Team / Domain | Error Count | Impact |
|---|---|---|
| clark-vdc (bim-revision-agent) | 25 clusters / 1 job | 단일 BIM revision job 실패 (bim_id=17216, src_revision_id=25433); SQS 메시지가 정상 삭제되어 재시도는 발생하지 않음 |
Timeline#
- 2026-07-21 20:47:04 KST — job 시작 (REVISE-END 로그의
elapsed_ms:883421로 역산) - 2026-07-21 21:00:39 KST — child process V8 heap 8GB 도달,
Mark-Compact 7916.1 -> 7916.1 MB후 OOM,FATAL ERROR및 native stack dump (본 cluster 의 first/last_seen) - 2026-07-21 21:01:45 KST — child process 종료:
close/exit이벤트 및Process killed by signal SIGABRT (code: null) - 2026-07-21 21:01:46 KST —
BimRevisionService::REVISE-END(status:"error",elapsed_ms:883421), workspace cleanup, SQS 메시지 삭제 (재시도 없음) - 2026-07-21 21:01:45 KST — status-board incident
2026-07-21-svc-cupixworks-any-bimrevision-agent--unknown-1자동 resolved
Scoring#
Confidence 85% · Actionability 36%
Confidence#
| Dimension | Score | Detail |
|---|---|---|
| Evidence completeness | 5/5 | 11 code refs, 6 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 | 23 file(s) |
| Single repo | 1/3 | 7 service(s) |
| Immediate actions | 0/3 | absent |
| Testability | 0/3 | no test info |
| External dependency | 3/3 | no external deps |
| Data migration | 3/3 | no migration |