TL;DR: The sensor data problem isn't that you're not collecting it — Home Assistant's SQLite recorder captures almost everything by default. The problem is that SQLite starts choking on range queries once your history table grows past a few weeks of dense sensor data.

What's in this article

The Problem: Home Automation Data Is Scattered and Unactionable

Hardware and OS Prerequisites Before You Touch a Config File

Docker Compose Stack: InfluxDB 2.x, Grafana, and Telegraf