[{"id":"IL-0112","title":{"en":"The daily node rollover put DFDS's EKS nodes on an AMI later recalled for a kernel issue, causing \"PLEG is not healthy\" NodeNotReady flaps and pod network timeouts","ko":"나중에 회수된 EKS 노드 AMI 로 노드를 교체한 뒤 노드가 PLEG is not healthy 를 보고하며 NotReady 를 오갔고 파드 네트워크 타임아웃이 났다"},"org":"DFDS","org_slug":"dfds","date":"2022-10-31","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0112","shared_components":["kubelet"]},{"id":"IL-0139","title":{"en":"Pods on GKE clusters with Calico network policy got stuck Terminating or Pending after upgrading to 1.22 or later because of a race condition in the Calico component","ko":"Calico 네트워크 정책을 쓰는 GKE 클러스터를 1.22 이상으로 업그레이드하자 경쟁 조건 때문에 CNI 정리가 Unauthorized 로 실패해 파드가 Terminating 이나 Pending 에 멈췄다."},"org":"Google Cloud","org_slug":"google-cloud","date":"2022-09-15","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0139","shared_components":["kubelet"]},{"id":"IL-0012","title":{"en":"CPU limits and an unpatched kernel CFS quota bug throttled multi-threaded services into stalls, failed health checks and timeouts","ko":"CPU limit 과 커널 CFS 쿼터 버그로 파드가 과하게 스로틀링돼 헬스 체크가 실패하고 애플리케이션이 멈췄다"},"org":"Omio","org_slug":"omio","date":"2020-02-17","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0012","shared_components":["kubelet"]},{"id":"IL-0038","title":{"en":"kubelet rollout hit a Kubernetes bug and left every node in a cluster NotReady, triggering mass pod eviction","ko":"kubelet 설정 변경을 롤링 업데이트하다 쿠버네티스 버그로 kubelet 이 올라오지 못해 한 클러스터의 노드가 NotReady 가 되고 파드 절반쯤이 축출됐다"},"org":"Oath","org_slug":"oath","date":"2018-05-04","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0038","shared_components":["kubelet"]},{"id":"IL-0003","title":{"en":"linkerd lost Kubernetes service discovery after an etcd reconfiguration, and restarting every linkerd instance turned failed payments into a full platform outage","ko":"etcd 클러스터 재구성 뒤 쿠버네티스 버그로 linkerd 가 서비스 위치 갱신을 받지 못했고, linkerd 를 모두 재시작하자 엔드포인트가 없는 서비스를 파싱하지 못하는 오류가 드러나 플랫폼 전체가 멈췄다"},"org":"Monzo","org_slug":"monzo","date":"2017-10-27","severity":"unknown","root_cause":"software-bug","url":"https://benchlet.com/incidentlib/app/cases/IL-0003","shared_components":["kubelet"]}]