Cheap, Durable, Fast. How to choose an EBS volume type?
Elastic Block Storage (EBS) provides solid state drives (SSD) and hard disk drives (HDD) for EC2 instances. The virtual machine accesses the persistent storage via the network. In December 2020, AWS announced another volume type called General Purpose S...Read more
Unusual AWS Architectures
AWS provides many building blocks. As architects, we have to choose the right building blocks to construct our systems. But sometimes, the proper building block is not available, and we have to make compromises. In this blog post, I show four unusual AW...Read more
Transition to IMDSv2 on EC2 - Introduction, Preparation, Pitfalls
IMDSv2 can improve EC2 security. For a couple of weeks, AWS Foundational Security Best Practices recommends that EC2 instances use IMDSv2 (control EC2.8). This video explains why IMDSv2 is useful and what attacks it protects you against, including a li...Read more
How do you choose the best storage option on AWS?
Choosing storage service is critical when designing a cloud architecture. Read on to learn about the characteristics, limitations, typical use cases, and a decision tree for the following options to store data on AWS: Instance Store provides low latenc...Read more
Building with EC2: 10 Tips for the Successful Cloud Architect
Despite the Kubernetes and Serverless hypes, the vast majority of cloud workloads still happen on virtual machines. AWS offers the Amazon Elastic Compute Cloud (EC2) service, where you can launch virtual machines (AWS calls them instances). The EC2 serv...Read more
CloudWatch Metrics & Alarms reloaded
Amazon CloudWatch improved significantly over the years. It’s time to look at its monitoring capabilities again. CloudWatch is an excellent starting point to implement enhanced monitoring on AWS. In this blog post, I demonstrate what you can do with Clo...Read more
Seamless EC2 monitoring with the Unified CloudWatch Agent
Shipping logs and metrics from an EC2 instance to CloudWatch was painful in the past. By default, you only get metrics about CPU utilization, disk and network IO. The missing pieces are metrics about memory and disk usage and logs. Plenty of different o...Read more
What's the best AWS Compute option for your project?
There are many good reasons why you should move to the cloud and AWS in particular. Benefit from the latest innovations or consume sophisticated technology as a commodity (relational databases, Hadoop clusters, data warehouses, …) to lower your time to ...Read more
EC2 Instances 2.0 - Time to Update Your Toolbox
Amazon Elastic Compute Cloud (EC2) has more than 13 years of public history and is one of the oldest AWS services. EC2 is a mature service that reinvented itself many times: From EC2 classic to Amazon VPC. From SSH access to AWS SSM Session Manager. Fr...Read more
Combine CloudWatch metrics for Auto Scaling or to reduce costs
Every part of your AWS infrastructure emits utilization metrics. Amazon CloudWatch collects these metrics and allows you to visualize them as well as to define alarms. AWS announced an exciting new feature allowing you to combine multiple metrics recent...Read more