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Sub-Second Analytics at Scale: A Hands-on Guide to Apache Druid

July 19, 2026

Build a high-performance real-time analytics system with Apache Druid. This guide covers everything from local setup and Kafka streaming to advanced OLAP tuning for sub-second queries.

Database

OLAP vs OLTP: Why Your Analytical Queries are Killing Production

April 6, 2026

Is a single query crashing your app? Learn the difference between OLTP and OLAP, why row storage fails at scale, and how to build a stable data architecture.