# Public source status

Checked 2026-08-18 against the seven Microsoft Learn sources used by the Well-Architected reference. This verifies source availability and change timestamps; it does not silently rewrite curated guidance.

| Well-Architected pillar | HTTP | Source last modified |
|---|---:|---|
| [Operational Excellence](https://learn.microsoft.com/en-us/azure/databricks/lakehouse-architecture/operational-excellence/best-practices) | 200 | Wed, 05 Aug 2026 07:36:50 GMT |
| [Security Compliance And Privacy](https://learn.microsoft.com/en-us/azure/databricks/lakehouse-architecture/security-compliance-and-privacy/best-practices) | 200 | Wed, 05 Aug 2026 07:36:52 GMT |
| [Reliability](https://learn.microsoft.com/en-us/azure/databricks/lakehouse-architecture/reliability/best-practices) | 200 | Wed, 05 Aug 2026 07:36:53 GMT |
| [Performance Efficiency](https://learn.microsoft.com/en-us/azure/databricks/lakehouse-architecture/performance-efficiency/best-practices) | 200 | Wed, 05 Aug 2026 07:36:52 GMT |
| [Cost Optimization](https://learn.microsoft.com/en-us/azure/databricks/lakehouse-architecture/cost-optimization/best-practices) | 200 | Wed, 05 Aug 2026 07:36:54 GMT |
| [Data Governance](https://learn.microsoft.com/en-us/azure/databricks/lakehouse-architecture/data-governance/best-practices) | 200 | Wed, 05 Aug 2026 07:36:51 GMT |
| [Interoperability And Usability](https://learn.microsoft.com/en-us/azure/databricks/lakehouse-architecture/interoperability-and-usability/best-practices) | 200 | Wed, 05 Aug 2026 07:36:49 GMT |