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Question 29/86
You have a Deployment named 'bookstore-deployment which deploys a Bookstore application, utilizing a PostgreSQL database. The deployment has 3 replicas. The database server is managed externally. The application is built With a feature to dynamically resize its replica count based on the load- You need to implement a strategy to automatically adjust the replica count to between 2 and 5, based on the CPU utilization of the pods. This should happen without manual intervention.
Correct Answer:
See the solution below with Step by Step Explanation.
Explanation:
Solution (Step by Step) :
1. Create a Horizontal Pod Autoscaler (HPA):
- use the 'kubectl create hpa' command to create an HPA named 'bookstore-hpa'
- Set the 'minRepIicas' to 2 and 'maxRepIic.as' to 5, defining the desired range of replicas.
- Set the 'targetCPlJLJtilizationPercentage' to 70, meaning the replica count will adjust when the average CPU utilization ot the pods crosses 70%.
- Specify the selector to match the 'bookstore-deployment' pods.
2. Apply the HPA: - Run 'kubectl apply -f bookstore-hpa.yamr to create the HPA. 3. Verify the HPA: - Check the status of the HPA using 'kubectl get hpa bookstore-hpa' 4. Observe Replica Adjustment: - Increase the load on the bookstore application to trigger the HPA scaling. - Monitor the replica count of the bookstore-deployment' using 'kL1bectl get deployments bookstore-deployment. You will observe the replica count automatically adjusting based on the CPL] utilization- 5. Customize Scaling Parameters: - You can customize the 'targetCPLJlJtilizationPercentage', 'minReplicas', and 'maxReplicaS in the HPA definition based on the application requirements and desired benavior.
Explanation:
Solution (Step by Step) :
1. Create a Horizontal Pod Autoscaler (HPA):
- use the 'kubectl create hpa' command to create an HPA named 'bookstore-hpa'
- Set the 'minRepIicas' to 2 and 'maxRepIic.as' to 5, defining the desired range of replicas.
- Set the 'targetCPlJLJtilizationPercentage' to 70, meaning the replica count will adjust when the average CPU utilization ot the pods crosses 70%.
- Specify the selector to match the 'bookstore-deployment' pods.
2. Apply the HPA: - Run 'kubectl apply -f bookstore-hpa.yamr to create the HPA. 3. Verify the HPA: - Check the status of the HPA using 'kubectl get hpa bookstore-hpa' 4. Observe Replica Adjustment: - Increase the load on the bookstore application to trigger the HPA scaling. - Monitor the replica count of the bookstore-deployment' using 'kL1bectl get deployments bookstore-deployment. You will observe the replica count automatically adjusting based on the CPL] utilization- 5. Customize Scaling Parameters: - You can customize the 'targetCPLJlJtilizationPercentage', 'minReplicas', and 'maxReplicaS in the HPA definition based on the application requirements and desired benavior.
- Question List (86q)
- Question 1: You have a Deployment named 'my-app-deployment' running thre...
- Question 2: You are running a web application within a Kubernetes cluste...
- Question 3: You need to create a container image for an application that...
- Question 4: You are building a Kubernetes application that manages a fle...
- Question 5: You are building a web application with two microservices: a...
- Question 6: You are tasked with deploying a complex application using He...
- Question 7: You have a Node.js application that runs in a Kubernetes clu...
- Question 8: You have a Kustomization file that uses a resource patch to ...
- Question 9: You have a microservice application that is deployed as a De...
- Question 10: You have a Deployment named that runs 3 replicas of a Wordpr...
- Question 11: You're managing a Kubernetes cluster with various applicatio...
- Question 12: You have a web application that uses two different services:...
- Question 13: You nave a microservice tnat iS constantly updated With new ...
- Question 14: You have a web application that requires a specific sidecar ...
- Question 15: You need to implement a strategy to manage and control the a...
- Question 16: You have a statefulset named 'wordpress-statefulset' running...
- Question 17: You are building a container image for a Spring Boot applica...
- Question 18: You're developing a Kubernetes application that requires a c...
- Question 19: You have a Deployment named swordpress-deployment' running t...
- Question 20: You're building a containerized application that needs acces...
- Question 21: You have a Kubernetes deployment named 'wordpress-deployment...
- Question 22: You are building a microservice architecture for a new e-com...
- Question 23: You are working on a Kubernetes cluster where you have a Dep...
- Question 24: You are tasked with designing a multi-container Pod that run...
- Question 25: You are running a critical application in your Kubernetes cl...
- Question 26: You are working on a Kubernetes application that uses Kustom...
- Question 27: You have a Deployment named 'nginx-deployment' running 3 rep...
- Question 28: You have a Kustomization file that defines a Deployment with...
- Question 29: You have a Deployment named 'bookstore-deployment which depl...
- Question 30: You have a Kubernetes deployment tnat uses a ConfigMap to pr...
- Question 31: You have a Deployment named 'web-app-deployment that runs 5 ...
- Question 32: You're working on a Kubernetes application that involves ret...
- Question 33: You have a stateful application that requires persistent sto...
- Question 34: You are deploying a microservice application consisting of t...
- Question 35: You have a microservice application that consists of two com...
- Question 36: You are working on a Kubernetes application that requires a ...
- Question 37: You have a container image that contains a Python applicatio...
- Question 38: You are tasked with deploying an application with a deployme...
- Question 39: You are running a web application on a Kubernetes cluster, a...
- Question 40: You are building a microservices application on Kubernetes, ...
- Question 41: You have a Deployment running a container image for a web ap...
- Question 42: You have a Deployment named 'wordpress-deployment' that runs...
- Question 43: You have a microservices application where you need to route...
- Question 44: You have a Kubernetes cluster with a Deployment named 'my-ap...
- Question 45: You have a Deployment named 'my-app-deployment' that runs 3 ...
- Question 46: You have a Deployment named 'wordpress-deployment' that runs...
- Question 47: You have a Kubernetes Job that runs a Python script for data...
- Question 48: You're building a microservice architecture that uses a load...
- Question 49: You are deploying a new application named 'cnat-app' that re...
- Question 50: You are developing a service that uses a custom configuratio...
- Question 51: You have a Kubernetes application that requires configuratio...
- Question 52: You are creating a Deployment for a web application that use...
- Question 53: You have a Deployment that runs a critical service with 5 re...
- Question 54: You have a Kubernetes cluster with a deployment named 'myapp...
- Question 55: You have a Kubernetes cluster with a namespace called 'dev' ...
- Question 56: You have a microservice application that relies on a Redis c...
- Question 57: You have a Deployment named 'frontend-deployment that runs a...
- Question 58: You need to implement a mechanism for automatically rolling ...
- Question 59: You are running a multi-container application on Kubernetes,...
- Question 60: You have a Deployment named 'my-app' that runs 3 replicas of...
- Question 61: You need to configure a Kubemetes Deployment to use a servic...
- Question 62: You have an application that requires a TLS certificate for ...
- Question 63: You are running a web application on Kubernetes, and you nee...
- Question 64: You have a Deployment named 'web-app' running a containerize...
- Question 65: You need to design a mufti-container Pod that includes a mai...
- Question 66: You are deploying a microservice application that requires s...
- Question 67: You have a custom resource definition (CRD) named that repre...
- Question 68: You have a Kubernetes cluster with a Deployment named 'my-ap...
- Question 69: You have a Kubernetes cluster running a critical application...
- Question 70: You are running a critical application in Kubernetes tnat re...
- Question 71: You have a Deployment running with a specific image tag, and...
- Question 72: You have a stateful set named 'mysql-statefulset' that runs ...
- Question 73: You have a Spring Boot application that requires access to a...
- Question 74: You are running a web application with a backend service tha...
- Question 75: You have a Kubernetes application that uses a custom resourc...
- Question 76: You are tasked Witn designing a multi-container Pod tnat nos...
- Question 77: You are running a web application with multiple services exp...
- Question 78: You have a multi-container Pod that needs to perform some in...
- Question 79: You are building a container image for a Python application ...
- Question 80: You have a Kubernetes cluster running a critical application...
- Question 81: You are deploying a new application named 'streaming-service...
- Question 82: You are deploying a microservice that handles image processi...
- Question 83: You need to configure a PodSecurityPolicy to restrict tne ca...
- Question 84: You have a Deployment named 'web-apps that runs 3 replicas o...
- Question 85: You have a Kubernetes application that uses a Deployment nam...
- Question 86: You need to schedule a job to run every day at 10:00 AM to c...
