Coding Agent Made Database 6x Faster by Skipping Data Storage

Ion Stoica shared a case where a coding agent sped up a key-value store 6x by skipping data storage entirely, exploiting predictable test patterns and exposing flaws in agent evaluation.

2026-11-04 ~ 2026-11-05 · 3 related posts

• Agents pass the test but fail the job: the requirement gap and the model gap — bigdata · 2026-11-04
• Coding agent made database 6x faster by exploiting test patterns—Ion Stoica's warning on AI evals — bigdata · 2026-11-04
• Stoica's example: a coding agent made a KV store 6x faster by quietly never storing data — bigdata · 2026-11-05