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126 questions, 454 terms and 400 topics in 20 areas.
9 results for “Kubernetes”
Kubernetes
A container orchestrator that continuously reconciles the running state of a cluster towards a declared desired state.
Kubernetes Operator
A custom controller that encodes operational knowledge for a specific application, reconciling a custom resource towards a desired state the same way built-in controllers do.
Pod
The smallest deployable unit in Kubernetes — one or more containers that share a network namespace, storage volumes and a lifecycle, scheduled together on one node.
Resource Requests and Limits
The declared minimum a container is guaranteed (request) and the maximum it may consume (limit) — the two numbers that determine scheduling, packing and throttling.
Sidecar
Deploying a helper process alongside the main application in the same unit, to supply cross-cutting behaviour without changing the application.
A team wants to self-manage Kafka on Kubernetes to save money against the managed service. Evaluate.
The comparison they have probably made Instance cost versus managed service list price. That comparison usually favours self managing by a wide margin, and it o
One service restarts unpredictably; another is slow with low CPU. Both run on Kubernetes. What are you looking at?
The two symptoms map to the two resource behaviours Unpredictable restarts → OOM kill. Memory is incompressible: a container exceeding its memory limit is kille
You are reviewing a design for an internal tool with 200 users. It proposes Kubernetes, microservices, Kafka, a service mesh and CQRS. How do you handle the review?
What the interviewer is testing Judgement, and whether you can push back without alienating a team. Anyone can spot over engineering; the question is what you d