Category: Kubernetes & Container

Coroot is an open-source eBPF-based observability tool that turns telemetry data into actionable insights, helping you identify and resolve application issues quickly. You can look into the Coroot at: https://github.com/coroot/coroot

Copy at: https://www.acritelli.com/blog/kubectl-delete-sigkill/ Some colleagues and I were recently implementing a Chaos Monkey style test against a Kubernetes deployment. The goal was to forcibly kill an application to understand how it behaved. Specifically, we were looking to see if the application engaged in some atomic I/O operations that were safe, even if they ungracefully terminated while data…

Read More “[K8s] Signals and the “kubectl delete” command” »

Mình clone bài từ link này: https://www.linkedin.com/pulse/auto-restarts-your-k8s-apps-config-changes-reloader-cuong-nguyen-duc/?utm_source=share&utm_medium=member_android&utm_campaign=share_via Cá nhân mình thì thấy tool này vừa hay và vừa thừaNên thôi cứ lưu lại Keeping your applications up-to-date with the latest configuration changes can be challenging. Reloader, an open-source Kubernetes operator, detects changes to ConfigMaps and Secrets and automatically restarts your deployments to ensure a smooth…

Read More “[K8s] Auto-Restarts your k8s apps on Config Changes with Reloader” »

Bạn có thắc mặc HPA sẽ scale download như thế nào không? Here are some additional details on how the Horizontal Pod Autoscaler (HPA) handles pod terminations when scaling down: So in summary, the HPA adjusts replica counts, the pod controllers gracefully terminate pods to reach desired counts, using configurable delays and grace periods to…

Read More “[HPA] How does HPA scale down Pod on Kubernetes?” »

Nguồn: https://krolcloud.com/blog/anonymous-authentication-in-kubernetes/?fbclid=IwAR1U9U6yzxJoF6tKwUQgkHAyqpB-mL8RMJ_ot8SLaXzseHKPEfZEMfDKHi4 Kubernetes Anonymous Users  Let’s uncover the details of Kubernetes 💥anonymous users and how 💥RBAC tooling works with anonymous access. By default, every request to the Kubernetes API that isn’t otherwise associated with a specific user is treated as coming from an anonymous user. This can be startling at first glance, with some wondering…

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refer to: https://medium.com/@nikhil.nagarajappa/deploying-kong-db-less-and-konga-via-raedy-to-use-yaml-files-38dce989674d What is kong? Kong is a popular open-source API gateway and microservices management layer. It acts as an intermediary between clients and backend services by providing a unified entry point for all API traffic. Kong is designed to handle API traffic at scale and provides features such as load balancing, authentication, rate…

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Theo 1 bài viết trên mạng thì chúng ta có nên tin vào kubectl top hôm Và đây là 1 số tổng hợp của mình kubectl top vs top* kubectl top show CPU < 100%* top show load avg cho con node 64% CPU từ lệnh trên (hệ thống 4CPU) Đừng để bị lừa ;)) —Update…

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Readiness Readiness configuration in Kubernetes is used to determine if a container within a pod is ready to accept traffic or serve requests. It ensures that a container is fully initialized and capable of handling requests before being exposed to any incoming traffic. This helps maintain the overall health and reliability of your application. Điều…

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