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Trill 102: Temporal Joins 

This post is the second in a sequence intended to introduce developers to the Trill streaming query engine, its programming model, and its capabilities. We introduced in the previous post the concept of snapshot semantics for temporal query processing. Here, we go deeper into the mechanics of snapshot semantics by showing its impact on one...

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Adding automated performance quality gates using Keptn Pitometer 

This blog dives into monitoring-as-code and adding automated performance quality gates into your software delivery pipelines. We’ll walk through examples using a web microservice app and an Azure function app that we developed as open source services that help you qualify the overall performance and quality of applications. Both services utilize the Keptn Pitometer open...

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How to teach cloud-powered mobile app development to students 

Over the past five years, I’ve had the pleasure of teaching a course titled “Cloud-Powered Mobile App Development” ten times at the University of Houston with my long-time friend and faculty colleague Jesus Hernandez. I’ve been humbled by the course’s success, regularly producing some of the highest course evaluations in the department and earning me...

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Publishing GitHub Pages from Azure Pipelines 

Do you work on or maintain a project for technical users? A key part of attracting users, especially to an open source project, is publishing great documentation. However, keeping it up to date as your APIs and concepts change can be challenging or just time-consuming. A popular way to maintain great docs is to keep...

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Scaling a WordPress application using Rook on Azure Kubernetes Service 

WordPress is a popular free and open source content management system based on PHP and MySQL. One of the major benefits of using cloud computing is having the ability to better support your application by scaling based on user traffic. There are currently many ways to support WordPress scaling, including reverse proxy caching, persistent object...

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Setting up Jenkins X on Azure Kubernetes Service (AKS) 

As adoption of containers grows, we are getting more asks around running Jenkins on Azure Kubernetes Service (AKS.) To run Jenkins on a VM on Azure, you can use our solution template in Azure Marketplace. If you want to run Jenkins on AKS, I am happy to announce that you can now consider Jenkins X...

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Make websites on WordPress and Joomla faster with Azure CDN 

We all know it; first impressions are the most lasting. As in real-world, sluggish load times can leave a negative impression for any website and even negatively affect your business. Below we’ll walk through how Azure CDN can improve that first impression, speeding up websites hosted on WordPress or Joomla. As with most users, our...

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Tutorial: Adding distributed tracing instrumentation to a browser JavaScript app 

In recent years, many developers have discovered the power of distributed tracing for debugging regressions and performance issues in their backend systems, especially for those of us with complex microservices architectures. But in many organizations, our most complex code may not be server-side code — it’s just as likely to be running client-side in a...

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What is a service mesh anyways? 

The service mesh may sound complex, but at its heart, it’s a very simple idea: a set of network proxies that transparently run alongside microservices, implementing reliability, observability, and security features by measuring and manipulating inter-service (“east-west”) traffic. Led by open source projects such as Linkerd, the service mesh model is increasingly popular because it...

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