Blog

Hands on with EKS Pod Identity

Drew Rogers | December 1, 2023December 1, 2023

Recently AWS released EKS Pod Identity which simplifies how cluster administrators can configure Kubernetes applications to obtain AWS IAM permissions. With Pod Identity you can assign an IAM role to a K8s service account using the new AWS API create-pod-identity-association and the EKS pod identity agent. When a pod starts with the associated service account, the identity agent will inject credentials so the pod can call AWS services. Here we will create a simple demo allowing a pod to access…

Developing A Coding Test for Data Engineering

Keith Gregory | November 15, 2023November 21, 2023

Hiring good candidates is difficult. After nearly 40 years in this business, and interviewing hundreds of candidates, I’m not going to claim that I have the answer. Just some ideas.

How to Create a Custom Prometheus Scrapeable Endpoint

Drew Rogers | November 13, 2023

Lear how to fetch metrics and create custom endpoints for a Prometheus ServiceMonitor to scrape using the prometheus_client library in Python.

Putting Amazon CodeGuru Reviewer To The Test

Keith Gregory | November 8, 2023November 8, 2023

Amazon CodeGuru Reviewer promises to “detect potential defects that are difficult for developers to find,” using machine learning to identify potential problems. But how does it compare to existing rule-based tools? In this post I turn CodeGuru loose on a seven-year-old library that’s in use by 3,000 people, to see what issues it flags.

Java Virtual Threads: Worth the wait?

Keith Gregory | October 30, 2023November 6, 2023

With version 21, Java got virtual (lightweight) threads. This feature has received a lot of press, but will it actually help you? In this post I review the theoretical benefits of virtual threads, and then show actual results from a benchmark.

Running Postgres in Kubernetes? Are you CRAZY?

Drew Rogers | October 26, 2023December 5, 2023

When Kubernetes first hit the scene for container orchestration, devops engineers all asked, “Can I run my database in here?” We quickly learned the answer, “Hell no!”

Chariot Day 2023: A Recap

Steve Wood | October 25, 2023

Chariot Day is a tradition here at Chariot Solutions where our colleagues share what they’ve been thinking about and hacking on.

Avoid Technical Debt: Choose the Right Design Partners

Michael Rappaport | October 18, 2023

Our development teams are structured as extensions of every client and are committed to helping them achieve their goals and look great in the process.

Client-side Data Persistence with IndexedDB

Chris Birster | October 12, 2023

A Deep Dive into IndexedDB In a previous article, I compared client-side storage solutions: localStorage, sessionStorage, cookies, and touched briefly on IndexedDB. In the vast ecosystem of web storage solutions, IndexedDB stands out as a powerful, low-level API for client-side storage of significant amounts of structured data. While cookies, localStorage, and sessionStorage are suited for storing smaller data sets, IndexedDB is designed to manage larger volumes of data, including complex data types that shouldn’t be stored as strings like files…

Client-side Data Persistence for Web Applications

Chris Birster | October 10, 2023

In the realm of web development, ensuring data persistence is a top priority. Web developers face the challenge of storing data seamlessly and effectively, often juggling various storage solutions to meet specific needs. One of the leading and supported options is IndexedDB, a powerful client-side database solution. Though SessionStorage, LocalStorage, and cookies have their places, IndexedDB offers a robust and versatile alternative for more complex data storage requirements. Resources: Web Storage API IndexedDB Structured clone algorithm Cookies Storage Pressure/Eviction Storage…

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