What is a blockchain? Why are some people using it? Even as a developer, it took me a few years to understand what a blockchain really is,how it is working from inside out. I’ll share here what I believe is a comprehensive explanation of what is a blockchain from a developer point of view. What is a blockchain? In simple words, it’s a slow database. For Bitcoin, this database contains a ledger only.| erickhun.com
At Buffer, we’ve been using Kubernetes since 2016. We’ve been managing our k8s (kubernetes) cluster with kops, it has about 60 nodes (on AWS), and runs about 1500 containers. Our transition to a micro-service architecture has been full of trial and errors. Even after a few years running k8s, we are still learning its secrets. This post will talk about how something we thought was a good thing, but ended up to be not as great as we thought: CPU limits.| erickhun.com