September 2021 - Feral Cat - Software Development

Horizontally Scaling A WordPress Website – Part 1 – The Overview

March 15, 2022September 20, 2021 by Carlos

Let’s start off with saying that horizontally scaling a wordpress website is very easy to do but is kinda expensive. I’d say it’s about $100+ a month to leave this infra consistently standing in AWS. Most of the cost is in the DB and EC2 instances. So, beware of forgetting about infra you stand up … Read more

Apache Airflow DAG is Failing Silently

September 10, 2023September 15, 2021 by Carlos

So your Apache Airflow DAG is failing silently. Are you running an ETL on a huge dataset? This is a symptom of an Airflow instance without sufficient memory. Dig into your instances logs and you’ll probably see an evicted worker if your running your instance’s workers on Kubernetes. You’ll see similar logs wherever you run … Read more

Unable to connect to the server: getting credentials: exec: executable aws-iam-authenticator not found

June 13, 2023September 8, 2021 by Carlos

Setting up Kubernetes on AWS and got the unable to connect to the server: getting credentials: exec: executable aws-iam-authenticator not found error? Execute the following to solve your problem! Not going to bore you with fluff this time around. I am assuming that you have homebrew installed which might be a leap. Also I’m on … Read more