Batch vs. Streaming: Choose the Right Processing Model
February 19, 2026We need real-time data. This is one of the most expensive sentences in data engineering - because it's rarely true, and implementing it when it's not needed...
Written by Alex Merced Developer from devNursery.com and alexmercedcoder.dev You should follow him on Twitter and checkout his articles on LogRocket.
Partition and Organize Data for Performance
February 19, 2026A table with 500 million rows takes 45 seconds to query. After partitioning it by date, the same query — filtering on a single day — returns in 2 seconds...
Testing Data Pipelines: What to Validate and When
February 19, 2026Ask an application developer how they test their code and they'll describe unit tests, integration tests, CI/CD pipelines, and coverage metrics. Ask a data e...
Pipeline Observability: Know When Things Break
February 19, 2026An analyst messages you on Slack - The revenue numbers look wrong. Is the pipeline broken? You check the orchestrator - all green. You check the target table...
Data Engineering Best Practices: The Complete Checklist
February 19, 2026Best practices documents are easy to write and hard to use. They list principles without context, advice without prioritization, and rules without explaining...
What Is Data Modeling? A Complete Guide
February 19, 2026Every database, data warehouse, and data lakehouse starts with the same question: how should this data be organized? Data modeling answers that question by c...