Spreading Knowledge
Question #1 A SaaS company hosts its CRM application on an Auto Scaling group that uses a mix of On-Demand EC2 instances of varying types and sizes. The application experiences heavy usage during regular business hours (9 AM to 5 PM). However, users have reported noticeable slowness during the initial hours of the workday, after … Read more
Jake’s Security Dilemma Jake has been building AWS applications, but now he faces a new challenge: securing access to his cloud resources. His mentor, Alex, warns him, “If you don’t manage permissions correctly, you could accidentally expose sensitive data or even lose control of your AWS environment!” Jake looks at IAM (Identity and Access Management) … Read more
Jake’s Messaging System Confusion Jake is building a cloud-based application, and his system needs to send, queue, and process messages efficiently. But AWS offers multiple messaging services—SNS, SQS, EventBridge, and Kinesis—and he doesn’t know which one to use. Alex, his mentor, notices his confusion and says, “Think of these services like different ways of delivering … Read more
Jake’s Cost Optimization Dilemma Jake has been running AWS workloads for a while now, but he notices his on-demand EC2 costs are adding up. He hears about Saving Plans and Reserved Instances (RI) as ways to reduce costs, but he’s not sure which one to choose. Alex, his mentor, sees Jake struggling with cost calculations … Read more
Jake’s Storage Dilemma Jake has successfully set up his AWS networking, but now he faces a new challenge: storing data. AWS offers different storage solutions—S3, EBS, and EFS—but which one should he choose? Alex, his mentor, sees Jake’s confusion and says, “Think of storage like the different ways people store their belongings. Depending on what … Read more
Jake’s Networking Nightmare Jake, now well-versed in AWS compute services, is ready to deploy his application. But there’s a problem—he doesn’t understand how AWS networking works. What’s a VPC? Why do we need Subnets? And what on earth are Security Groups? Alex, his mentor, chuckles. “Think of AWS networking like designing a shopping mall. Each … Read more
Jake’s Compute Conundrum Jake, our enthusiastic cloud learner, is building an application and needs computing power. However, AWS offers multiple options: EC2 Auto Scaling, ECS, and Lambda. Unsure which one to use, he consults his mentor, Alex. The Transportation Analogy Alex smiles. “Think of your compute needs like transportation options. Depending on your workload, you … Read more
Jake’s Database Dilemma Jake, our aspiring cloud architect, is building a new web application. He knows he needs a database but is confused by AWS’s options: RDS, DynamoDB, and Aurora. He turns to his mentor, Alex, for guidance. The Restaurant Analogy Alex smiles. “Think of databases like dining options. Depending on your needs, you choose … Read more
Meet Jake, the Cloud Storage Explorer Jake, our enthusiastic cloud learner, is setting up an AWS project. He knows he needs to store data but is overwhelmed by three options: S3, EFS, and FSx. Unsure of which to choose, he turns to his mentor, Alex, for guidance. The Storage Garage Analogy Alex smiles. “Think of … Read more
Persistent vs. Ephemeral: Choosing the Right Storage in AWS Meet Jake, the Curious Cloud Enthusiast Jake, our eager high school student, has been diving deeper into AWS. Today, he comes across two storage options when launching an EC2 instance: EBS (Elastic Block Store) and Instance Store. Confused, he asks his mentor, Alex, “Which one should … Read more