Apache Superset: The BI Layer You Self-Host — and the Metadata Database You Must Provision
Apache Superset is a 74k-star, Apache-2.0 business intelligence platform that rivals Tableau and Power BI on the chart side — but it is a distributed system wearing a dashboard costume. A 5,000-word teardown of what it delivers, the mandatory metadata database, the Celery plus Redis async layer, RBAC complexity, resource hunger, upgrade fragility, and exactly where your query results go.