Tag: parallel-testing

All the articles with the tag "parallel-testing".

• Three Systems, One Weekend: The Parallel Testing Chronicle

  13 Oct, 2025

  Working with Claude, we shipped three infrastructure systems in 48 hours. Neural Vault crisis forced reindex of 41K docs. Built Journal v3 (8-task pipeline), Hybrid Search (A/B tested), and 7 slash commands - all behind feature flags. Parallel testing revealed hybrid search only 1.7% better despite 27x slowdown. When you can't test everything manually, you architect for failure.