open-source Articles

This post describes Pinterest's Auto Memory Retries feature for Apache Spark, which automatically retries OOM-failed tasks on larger executors to reduce failures and resource waste.

engineering

data

apache-spark

open-source

71 min read

Machine Learning•2025-12-04

On the (re)-prioritization of open-source AI

Pinterest shares its strategic shift toward fine-tuned open-source AI models, achieving comparable performance at less than 10% the cost of proprietary models.

Architecture•2025-09-17

Viaduct, Five Years On: Modernizing the Data-Oriented Service Mesh

Airbnb's Viaduct data-oriented service mesh celebrates five years with an open-source release and a major architectural overhaul called "Viaduct Modern".

Seamless Istio Upgrades at Scale

This post explains how Airbnb safely upgrades Istio across tens of thousands of pods on dozens of Kubernetes clusters without workload team coordination.