#aws-emr

Your Spark Job Succeeded. Airflow Called It a Failure Anyway. Here’s the Bug Nobody Explains Well

Three hours of compute. A clean success in the EMR logs. And Airflow still marks it FAILED — with a cryptic scheduler message that sounds…

Shuffle-Heavy Spark Join on AWS EMR: 10 r5.4xlarge

Federated Compute vs. Centralised Warehouse: A Decision Framework From Someone Who Built Both

Trino on EMR and Redshift solve different problems. Here is how to know which one you actually need.

AWS Glue vs EMR: Which One Should You Really Use for Big Data ETL?

The “Which Service Do I Pick : AWS Glue vs EMR?” Nightmare

Big Data Processing with AWS EMR & Zeppelin: A Step-by-Step Guide

Embarking on another exciting chapter in our data engineering journey! In previous posts, we’ve tackled building data pipelines…