Sidney Wijngaarde

Published in ITNEXT

·Nov 15, 2020

Conquering the Cache Stampede

The Thundering Herd You’ve followed everyone's advice and built a stateless application. The data isn’t in your app server and therefore, when you receive a request, you query the database. Your code looks something like the following with the database swapped out for simplicity: We can test the server with a quick…

Golang

4 min read

Published in ITNEXT

·Oct 7, 2019

Capturing Metrics with Go’s Reverse Proxy

I had to capture metrics from a service I couldn’t directly access. The go standard library ships with a reverse proxy implementation 🤯. By proxying client requests to the service I was able to capture metrics without modifying the service itself. What is a Reverse Proxy? “In computer networks , a reverse proxy is a…

Golang

4 min read

Capturing Metrics with Go’s Reverse Proxy

Published in IBM Cloud

·Apr 12, 2018

Creating a Weave Scope Plugin

Let’s extend Weave Scope by adding links to a Kubernetes resource dashboard. Understanding application topology is difficult, if not impossible via Kubernetes dashboard table views. Here at IBM Cloud Private, we want to deliver a productive user experience. Users should be able to visually understand, monitor, and manage their workloads…

Weave

5 min read