Weekly thread
Week 2026-W44
In week 2026-W44 (2026-10-26 to 2026-11-01), 4 engineering stories were published across 4 Indian tech companies, including “How Apache YuniKorn Taught Our Kubernetes Cluster to Play Tetris” from Slice.
- How Apache YuniKorn Taught Our Kubernetes Cluster to Play Tetris
A story about Spark, scheduling, and a cloud bill that refused to make sense. Chapter 1: A Fresh Start on Kubernetes Every migration story starts with optimism, and ours was no different. We had just moved our Spark workloads from EMR to Kubernetes (EKS). On paper, it was…
- Compass: an AI navigation agent for everyone
You already have the data. Compass is how everyone asks it. You already know the question. What was DAU today? What’s the order’s success rate over the last few months? How many new users did X and Y, and are they sitting at the stage of doing Z? This escalation just landed.…
- Search That Gets You: Inside Instamart’s LLM-Powered Search
How large language models help shoppers find what they mean, not just what they type. Author: Aarav Nigam Introduction Every search box eventually hits a wall where traditional search stops being useful. Searching tide powder 100g on Instamart works seamlessly. Exact keywords…
- How Razorpay Moved 2,500 DAGs to Airflow 3, One DAG at a Time
Airflow, the scheduler behind Razorpay’s batch data pipelines, now runs on version 3.3, and we led the move from 2.10. It runs more than 2,700 DAGs and about 11,000 task runs a day, and we got there without a big-bang cutover. The official upgrade guide is the place to start for…