Master Microservices with Spring Boot and Spring Cloud - Step 08 – Understanding Replica Sets in Kubernetes

The video tutorial explains the concept of replica sets in Kubernetes, highlighting their role in ensuring a specific number of pods are running at all times. It demonstrates how to monitor and manage pods, scale deployments, and troubleshoot using events. The tutorial provides practical examples of using commands like 'kubectl get pods' and 'kubectl scale deployment' to manage replica sets effectively.

What is the primary function of a replica set in Kubernetes?

• To provide security for applications

• To manage network traffic

• To ensure a specific number of pods are running

• To store application data

What happens when a pod is deleted in a replica set?

• A new pod is automatically created

• The system crashes

• The application stops working

• The replica set is deleted

How can you increase the number of pods in a replica set?

• By changing the pod's configuration

• By restarting the Kubernetes cluster

• By using the 'scale deployment' command

• By deleting the current pods

What does the 'scale deployment' command do in Kubernetes?

• It changes the application version

• It stops the deployment

• It updates the replica set to the desired number of pods

• It deletes all existing pods

What command is used to view events in Kubernetes?

• kubectl get logs

• kubectl get events

• kubectl describe pods

• kubectl view status

How can you sort events by time in Kubernetes?

• By using the 'order-by' option

• By using the 'sort-by' option

• By using the 'time-sort' option

• By using the 'filter' option

What is the role of a pod in Kubernetes?

• To store application data

• To provide a grouping for containers

• To manage network traffic

• To provide security for applications