Rocksea - knowledge creator

효율적으로 Pod를 Node에 스케쥴링 하기위해 Resource를 최적화 하는것이 좋다. 잘못된 Sizing으로인해 많은 자원을 유휴 자원으로 낭비하거나 성능을 떨어뜨려 최악의 상황엔 Pod가 죽는 상황까지 유발한다. 일반적으로 Pod의 Resource를 지정해야할 경우 아래와 같이 Request와 Limit값을 설정할 수 있다. resources: limits: memory: 2Gi cpu: 1000m requests: memory: 1Gi cpu: 500m The lifecycle of a Kubernetes Pod As you know, limits can be higher than the requests. What if you have a Node where the sum of all the co..

Kubernetes-based Event Driven Autoscaler with Kafka KEDA is a single-purpose and lightweight component that can be added into any Kubernetes cluster. KEDA works alongside standard Kubernetes components like the Horizontal Pod Autoscaler and can extend functionality without overwriting or duplication. With KEDA you can explicitly map the apps you want to use event-driven scale, with other apps co..

Istio Istio extends Kubernetes to establish a programmable, application-aware network using the powerful Envoy service proxy. Working with both Kubernetes and traditional workloads, Istio brings standard, universal traffic management, telemetry, and security to complex deployments. istio는 service mesh를 구성하기 위한 오픈소스이며, envoy proxy를 통해 Traffic을 제어하고 보안(tls, mtls), Telemetry등 관심사를 Application Layer..