RAG Does Not Fail Because of the Model. It Fails Because of the Data.
Every enterprise AI strategy deck I have seen in the past years contains the same promise: “We will build a RAG-based knowledge assistant…
Architecture
A collection of 111 issues
Why Z-Ordering Fails on Skewed Data — and Liquid Clustering Does Not
Z-ordering and Liquid Clustering both aim to improve Databricks query performance through data skipping. But when your data is skewed, one of them quietly becomes useless. A visual explanation of why — and how the Hilbert curve changes everything.
You Migrated From Teradata to Spark and Threw Away the One Thing That Made It Fast
If you have spent any amount of time working with Teradata, you know that the Primary Index is one of the most important design decisions you make. It determines how data is distributed across AMPs and whether your joins are fast or slow. Choosing the wrong Primary Index is one
How Survival Instinct Is Reshaping the Data Warehouse
Every data platform eventually faces the same question: how do you serve both the analyst running a full-table scan across billions of rows…
5 Things That Break When You Migrate from Teradata to Snowflake
What Twenty Years of Teradata Expertise Won’t Prepare You For