[{"id":"IL-0304","title":{"en":"Intercom's US region was fully down for 71 minutes when its Vitess VTGates dropped all routes to the database shards","ko":"Intercom US 리전에서 Vitess 의 라우팅 설정 VSchema 가 빈 값으로 덮여 서비스 전체가 71분 동안 멈췄다"},"org":"Intercom","org_slug":"intercom","date":"2026-01-09","severity":"unknown","root_cause":"upgrade-breaking-change","url":"https://benchlet.com/incidentlib/app/cases/IL-0304","shared_components":["database","database-proxy"]},{"id":"IL-0316","title":{"en":"Railway's control plane slowed and deployments stopped after a PgBouncer version jump used abnormal CPU and memory","ko":"밀린 배포가 한꺼번에 몰린 Control Plane 에서 새 버전 PgBouncer 가 CPU 와 메모리를 비정상적으로 많이 써 데이터베이스 연결이 타임아웃됐다"},"org":"Railway","org_slug":"railway","date":"2025-09-22","severity":"unknown","root_cause":"upgrade-breaking-change","url":"https://benchlet.com/incidentlib/app/cases/IL-0316","shared_components":["database","database-proxy"]},{"id":"IL-0308","title":{"en":"Most RevenueCat backend systems failed after cutover to a new Aurora PostgreSQL 14 cluster as queries became very slow","ko":"RevenueCat 이 Aurora PostgreSQL 10 에서 14 새 클러스터로 넘어간 직후 쿼리가 극도로 느려져 대시보드와 SDK 엔드포인트가 세 시간 넘게 실패했다"},"org":"RevenueCat","org_slug":"revenuecat","date":"2022-11-23","severity":"unknown","root_cause":"upgrade-breaking-change","url":"https://benchlet.com/incidentlib/app/cases/IL-0308","shared_components":["database","database-proxy"]},{"id":"IL-0572","title":{"en":"About 10 million Pub/Sub messages backed up and Merpay accounting data was not written to Cloud Spanner for over a day","ko":"Merpay 회계 이벤트 처리 시스템에서 Cloud Pub/Sub 메시지 1000만 건이 밀려 새 회계 데이터가 하루 넘게 Cloud Spanner에 들어가지 못했다"},"org":"Mercari","org_slug":"mercari","date":"2026-06-16","severity":"unknown","root_cause":"upgrade-breaking-change","url":"https://benchlet.com/incidentlib/app/cases/IL-0572","shared_components":["database"]},{"id":"IL-0569","title":{"en":"After an MHA master failover, one of three MySQL replicas failed with a malformed binlog error and could not catch up","ko":"MySQL master 장애 때 MHA 자동 Failover 뒤 slave 한 대가 relaylog를 적용하지 못해 레플리케이션이 멈췄다"},"org":"DeNA","org_slug":"dena","date":"2026-06-11","severity":"unknown","root_cause":"upgrade-breaking-change","url":"https://benchlet.com/incidentlib/app/cases/IL-0569","shared_components":["database"]},{"id":"IL-0444","title":{"en":"Reader connections to Repro's Aurora MySQL cluster were cut with Lost connection errors every time ALTER TABLE ran","ko":"Aurora MySQL 에서 ALTER TABLE 을 실행할 때마다 그 테이블을 reader 로 읽던 커넥션이 끊겨 애플리케이션 오류가 쏟아졌다"},"org":"Repro","org_slug":"repro","date":"2024-10-23","severity":"unknown","root_cause":"upgrade-breaking-change","url":"https://benchlet.com/incidentlib/app/cases/IL-0444","shared_components":["database"]},{"id":"IL-0117","title":{"en":"A scheduled maintenance and an ingress upgrade on OpenAI's user-facing clusters caused a networking control plane regression that briefly broke the data plane, and the services that restarted then overwhelmed a backend persistence store with a heavy first-start query","ko":"인그레스 업그레이드가 네트워크 컨트롤 플레인 회귀를 일으켜 데이터 플레인이 잠깐 끊겼고, 한꺼번에 재시작한 서비스들이 백엔드 저장소에 과부하를 일으켜 OpenAI API 오류가 늘었다"},"org":"OpenAI","org_slug":"openai","date":"2024-08-16","severity":"unknown","root_cause":"upgrade-breaking-change","url":"https://benchlet.com/incidentlib/app/cases/IL-0117","shared_components":["database"]},{"id":"IL-0314","title":{"en":"Daily's newly upgraded Aurora MySQL database deadlocked on meeting-event queries and its call servers kept restarting","ko":"주말에 업그레이드한 Aurora MySQL 데이터베이스에서 교착이 쌓여 통화 서버가 재시작되고 통화가 다른 서버로 옮겨졌다"},"org":"Daily","org_slug":"daily","date":"2023-02-07","severity":"unknown","root_cause":"upgrade-breaking-change","url":"https://benchlet.com/incidentlib/app/cases/IL-0314","shared_components":["database"]},{"id":"IL-0294","title":{"en":"CircleCI Docker and machine jobs stalled for nearly 12 hours after a VM cleanup queue lost all its RabbitMQ consumers","ko":"CircleCI 의 VM 정리 대기열에서 컨슈머가 사라져 Docker 와 machine 작업이 12시간 가까이 늦어지거나 막혔다"},"org":"CircleCI","org_slug":"circleci","date":"2021-05-21","severity":"unknown","root_cause":"upgrade-breaking-change","url":"https://benchlet.com/incidentlib/app/cases/IL-0294","shared_components":["database"]},{"id":"IL-0372","title":{"en":"Heroku apps could not connect to about 1% of hobby-tier Postgres databases after the databases' host names changed","ko":"Hobby 등급 Heroku Postgres 데이터베이스 약 1%의 연결 문자열이 바뀌어 앱이 17시간 동안 연결하지 못했다"},"org":"Heroku","org_slug":"heroku","date":"2021-02-25","severity":"unknown","root_cause":"upgrade-breaking-change","url":"https://benchlet.com/incidentlib/app/cases/IL-0372","shared_components":["database"]}]