Make it happen
Last fall I worked on a demo project for IoT device tracking on AWS so I had some reading. Overview From a strategic level, as servers move away to the cloud, AWS envisions that the footprint left on premise will mainly be IoT devices. The role of the cloud therefore becomes a central point of … Read moreA taste of IoT device tracking
I have two open-source projects to deploy a medical imaging application on different platforms. In both of them, I define DICOM validation scenario, and provide steps to test DICOM traffic with TLS. The steps have been working well, until a recent change in Envoy broke the testing, and led me to revisit the test scenario. … Read moreDICOM testing over TLS
I started with GitHub Actions a couple years ago. Recently I came across a few interesting use cases while I was trying to setup Terraform workflow with GitHub actions. These use cases prompted me to make use some new features in GitHub Action. So I put them in a post here. Runners can assume IAM … Read moreGitHub Action Gotchas
When optimizing workload performance, it is important to understand how on earth operating system allocates CPU and memory to processes. This helps understand how to set resource limit Kubernetes Pod in an optimal way. CPU resource assignment The OS distributes CPU resource to processes by the unit of time share of CPU time. Most of … Read moreOptimize CPU and Memory for Kubernetes Pod
I’ve worked on a few AKS projects previously. Since I joined AWS I wanted to put aside some time to check out EKS (Elastic Kubernetes Service). Here in this post, I put down my first impression on EKS, and also share my Terraform template in cloudkube project to create an EKS cluster. Similar to AKS, … Read moreEKS impression
Cloud adoption has gone through phases. Hashicorp’s CTO Armon Dadgar has a great stream on Hashcorp’s narrative of the three Phases of Cloud Adoption: New greenfield clients today should aim at phase 2 or phase 3 depending on their target operation size. Either way, they need a landing zone for consistency. Overview AWS Prescriptive Guidance … Read moreLanding Zone in AWS