Horizontally Scaling A WordPress Website – Part 1 – The Overview

Wordpress

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 moreHorizontally Scaling A WordPress Website – Part 1 – The Overview

Apache Airflow DAG is Failing Silently

python

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 moreApache Airflow DAG is Failing Silently

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

bash

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

Listing the Largest N Files or Folders Recursively

bash

Listing the largest N files or folders recursively is handy. Let’s frame a usecase. So, you’re Ubuntu server is tanking. You’re running Jenkins or something else and your job logs have just started piling up. You’re UI doesn’t work anymore and the only thing you can do is SSH into your instance. What do you … Read moreListing the Largest N Files or Folders Recursively

Functional Annotations in Python 3.x

python

Have you used Functional Annotations in Python 3.x? Maybe you’ve heard them mentioned? Regardless, let’s explore what they are and how they help us. Because if they don’t help us, then we probably shouldn’t care. The Problem You’re programming and don’t know what thisRandomFunction should return. Maybe it’s a bool maybe it’s a string who … Read moreFunctional Annotations in Python 3.x

How To Get Started With Apache Airflow?

When Airbnb was scaling rapidly, they faced the problem of organizing complex data pipelines. To combat this and become a data-driven organization, Airbnb launched Apache Airflow in 2015, their custom-made open-source platform to manage complex workflows. In simple words, Apache Airflow is a platform where you can create, schedule, and monitor complex workflows using simple … Read moreHow To Get Started With Apache Airflow?

Editing all Elements of a DataFrame According to a Condition

python

Let’s work on manipulating a dataframe. Let’s work on editing all elements of a DataFrame according to a condition. You have a horde of data you just imported from a CSV or an Excel doc. You’ve managed to get the data into a Pandas DataFrame using one of the built in import methods like read_csv … Read moreEditing all Elements of a DataFrame According to a Condition