안녕하세요. k8s OS 내용을 이해하고 공유하기 위해 작성한 글입니다.
cpu policy and context switching
1. pod Qos class : best effort, burstable, guaranted
2. kube-proxy network model
- iptables vs ipvs
hidden trade-offs in designs
- Kube Prometheus Stack
https://github.com/prometheus-community/helm-charts/tree/main/charts/kube-prometheus-stack
art and scient of pod performance
- pod resource management
https://kubernetes.io/ko/docs/concepts/configuration/manage-resources-containers/
contorl plane performance troubleshooting
contorl plane bad request caused by,
- daemonset
- backup
container inssights
DNS made easy
https://kubernetes.io/ko/docs/concepts/services-networking/dns-pod-service/
number of DOTS : nDot
nDot을 2 정도로 낮추면 이로 인한 nw overhead를 낮출 수 있습니다.
관련문서 : https://aws.amazon.com/ko/premiumsupport/knowledge-center/eks-dns-failure/
Amazon EKS 관련 DNS 오류 문제 해결
Amazon Elastic Kubernetes Service(Amazon EKS) 클러스터에서 CoreDNS를 사용하는 애플리케이션 또는 포드가 내부 또는 외부 DNS 이름 확인에 실패합니다.
repost.aws
blog migration project
written in 2022.10.5
https://medium.com/techblog-hayleyshim/k8s-os-c115d90ef124
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